OLE Server in .Net

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  - 1
    - Obstruct the Developpers to Develop and Deploy a newer version Hi, I have a, maybe strange looking, question: Is there any way to obstruct developpers to Develop and or Deploy a newer version of a VB.NET-application? Things should happen like this: - Developpers develop the application - The application is tested, and audited for the final release - The final release is isntalled at the clients - After that: there can not be any other new version of the software installed on the clients, without the permission of the person doing the audit. so the developpers shouldn't be able to make e newer version of the software and install it. Or copy the sourcecode into a totally new application and isntall it etc... I don't think something like this exists, but if it would exist it would be great for my problem here :-) Any hints, solutions links, ... are really appreciated! Thanks a lot in advance, Pieter Tag: OLE Server in .Net Tag: 98810
  - 2
    - CreateTextFile with RW access for all users How do you invoke System.IO.File.CreateText such that all users may have read and write access to this file? I have tried { string RemoteConfigFile = System.IO.Path.GetDirectoryName(Application.ExecutablePath) + "\\Settings\\Remoting.config"; System.Security.Permissions.FileIOPermission FA = new System.Security.Permissions.FileIOPermission(System.Security.Permissions.FileIOPermissionAccess.AllAccess, RemoteConfigFile); System.IO.StreamWriter Writer = System.IO.File.CreateText(RemoteConfigFile); } But it does not work. I appreciate the help Tag: OLE Server in .Net Tag: 98807
  - 3
    - Strange exception with networkstream.BeginWrite Hello I have a multi-tier application which uses tcp/ip for communication between tier. Sometimes during the startup of the server I get the following exception (the first line was added by my application): Exception in method HandeOnError: System.Exception: Error sending string ---> System.ArgumentNullException: Value cannot be null. Parameter name: buffer at System.Net.Sockets.NetworkStream.BeginWrite(Byte[] buffer, Int32 offset, Int32 size, AsyncCallback callback, Object state) at AdsTCPServer.TAdsConnection.Send(String Data) --- End of inner exception stack trace --- at AdsTCPServer.TAdsConnection.Send(String Data) As you'll be able to see in the following code, I check every parameter the BeginWrite method receives (in the "catch" clause), and according to the "Error sending string" header, all of the parameters passed the check: public void Send(string Data) { if (IsOpen()) { try { if (m_oSocket != null) { Data+= m_strWriteTerminator; m_arrWriteBuffer = Encoding.ASCII.GetBytes (Data); NetworkStream netstream = m_oSocket.GetStream(); try { if (netstream != null) { lock(netstream) { if (netstream.CanWrite) { netstream.BeginWrite(m_arrWriteBuffer,0, Data.Length, m_SendCallback,netstream); } } } } catch (Exception E) { Exception myException; if (m_SendCallback == null) myException = new Exception("Error sending string: m_SendCallback is null", E); if (m_arrWriteBuffer == null) myException = new Exception("Error sending string: m_arrWriteBuffer is null", E); else if (m_arrWriteBuffer.Length == 0) myException = new Exception("Error sending string: m_arrWriteBuffer is 0 length", E); if (Data == null) myException = new Exception("Error sending string: Data is null", E); if (netstream == null) myException = new Exception("Error sending string: netstream is null", E); if (Data == "") myException = new Exception("Error sending string: Data is empty", E); else myException = new Exception("Error sending string", E); throw myException; } netstream = null; m_arrWriteBuffer = null; } } catch (Exception E) { if (IsSocketDown(E.ToString())) DoOnDisconnect(); else DoOnError(E); } GC.Collect(); } } Any idea what causes this exception? Tag: OLE Server in .Net Tag: 98803
  - 4
    - Constraint error when dataset.GetChanges() invoked I'm running into a puzzling exception when I attempt to update a modified row in a table with a foreign key constraint. System.Data.ConstraintException: Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign-key constraints My application has a single dataset with five tables that gets loaded from an Access database. The error occurs along the way to propagating a (trivial) change back to the .mdb file, and _seems_ to be related to my attempt to update a single row of a single table (call it TableB) which has a foriegn key constraint pointing back to another table (call it TableA). These look like the following: TableA: pk_a (autonumber primary key) [other columns, none required] TableB: pk_b (autonumber primary key) pk_a (foreign key to TableA) [other columns, none required] These tables are loaded into a common DataSet which has been set up witht he following constraints for TableB: fkc_fd_pr = new ForeignKeyConstraint( "TableATableB", dataset.Tables["TableA"].Columns["pk_a"], dataset.Tables["TableB"].Columns["pk_a"] ); fkc_fd_pr.DeleteRule = Rule.Cascade; fkc_fd_pr.UpdateRule = Rule.Cascade; fkc_fd_pr.AcceptRejectRule = AcceptRejectRule.Cascade; dataset.Tables["TabelB"].Constraints.Add(fkc_fd_pr); The dataset then is filled: dataadapter.Fill(dataset,"TableA"); dataadapter.Fill(dataset,"TableB"); ...etc. The user edits the contents of TableB through a form with lots of TextBoxen. When he/she/it clicks on a [Save] button, the code goes through the following steps: - Prompt for confirmation (Are you ReallyReallySure(tm)?) - bindingmanager.EndCurrentEdit() - If dataset.HasErrors, exit the update procedure. - If dataset.HasChanges(), then - temp_dataset = dataset.GetChanges() The exception is raised in the middle to the GetChanges method, with a stack trace that looks like the following: (Exception message) at System.Data.DataSet.FailedEnableConstraints() at System.Data.DataSet.EnableConstraints() at System.Data.DataSet.set_EnforceConstraints(Boolean value) at System.Data.DataSet.GetChanges(DataRowState rowStates) at System.Data.DataSet.GetChanges() After spending some time checking my Access table definitions, and much more time getting Google-eyed trying to find someone else who had seen a similar problem, I patched my code to try to figure out exactly what was being objected to. I added code similar to the following right after the check for .HasErrors and before invoking .GetChanges(), and then issued a simple [Edit] [Save] (no actual changes) on TableB. DataTable dt1 = dsPgtDb.Tables["TableA"].GetChanges(); DataTable dt2 = dsPgtDb.Tables["TableB"].GetChanges(); DataTable dt3 = dsPgtDb.Tables["TableC"].GetChanges(); DataTable dt4 = dsPgtDb.Tables["TableD"].GetChanges(); DataTable dt5 = dsPgtDb.Tables["TableE"].GetChanges(); Those all executed flawlessly (although all but the "TableB" result were null). DataSet ds1 = dsPgtDb.GetChanges(DataRowState.Added); DataSet ds2 = dsPgtDb.GetChanges(DataRowState.Deleted); DataSet ds3 = dsPgtDb.GetChanges(DataRowState.Detached); DataSet ds4 = dsPgtDb.GetChanges(DataRowState.Modified); DataSet ds5 = dsPgtDb.GetChanges(DataRowState.Unchanged); The first three of these worked just fine (null results, but no ConstraintException). The fourth line, the one checking for Modified datarows, tripped the ConstraintException. Still no clue as to _why_ ADO.NET is unhappy, but at least it confirms that it _is_ the one row I "modified" (opened up for editing but made no changes to) which is being objected to. This row was happily loaded from the Access .mdb file into a DataSet with constraints already in place. So why, when it gets flagged as Modified, does GetChanges have a hernia trying to locate it in one DataSet and stuff a copy into a fresh, brand-spanking-new Dataset? Does anyone see any really obvious steps I'm leaving out that might contribute to the problem? Alternatively, can anyone suggest an approach for nailing down exactly _which_ constraint I'm rudely violating? Clues, hints, and suggestions will all be appreciated. I really don't have all that much hair left to pull out... <grin?> Frank McKenney, McKenney Associates Richmond, Virginia / (804) 320-4887 Munged E-mail: frank uscore mckenney ayut minds pring dawt cahm (y'all) -- It's not what we don't know that gives us trouble, it's what we know that ain't so. -- Will Rogers -- Tag: OLE Server in .Net Tag: 98795
  - 5
    - TreeView flicker on changing Node.BackColor Is there any way to control the flicker that occurs when an idividual node's BackColor property is changed in a treeview? It appears that the entire control is invalidated and redrawn. How can I invalidate only the node that has the background color changing? Tag: OLE Server in .Net Tag: 98790
  - 6
    - checking for valid cast before cast is called? Is there a way in .net to check the validity of a cast before the cast is actually made? My situation is I am building a ListBox that I would like to function with either my customized objects as items or the standard ListBox items. In order to draw my custom objects I need to cast them inside the OnDrawItem method like this: (WcgListBoxItem)this.Items[e.Index] Is there any way to test what the object type of this.Items[e.Index] is before I do the cast? Tag: OLE Server in .Net Tag: 98789
  - 7
    - System.Configuration.AppSettingsReader Just wondering if I'm missing something completely here... The AppSettingsReader only READS information from the app.config file. MS provided no means of writing information to that file?? Use INIs Don't use INI's, use registry Don't use Registry, use .config What in the world do I use to read to and write from configurations for my app? I never did like to use the registry - loved ini files. Happy to use .config files, but how do we write to it? Do I have to write my own wrapper to do this?? Tag: OLE Server in .Net Tag: 98785
  - 8
    - IO Problem Problem Statement : I need to convert a pdf file on the file system into a filestream and then pass this stream to the calling program. Once the steam has been created I want to delete the file. The calling program then needs to use that stream and open pdf file. I know how to create the file stream. I cannot delete the file since there is a filestream that is open for that file. Do I have to convert it into some other stream like Memory Stream? If yes, then how? Also how can the calling program use the stream to open the pdf file. Thanks Rahul Tag: OLE Server in .Net Tag: 98783
  - 9
    - Error using InstallUtil to add Event Sources I am trying run InstallUtil against a .DLL assembly that is basically empty except for the Installer and ProjectInstaller classes which I'm trying to use to create a specific Event Source to support the application. I believe I have it set up correctly in the Visual Studio project because it works when I run it from my Windows XP Pro desktop, but when I run it on the Windows 2003 Standard test server it fails with the following error: An exception occurred during the Install phase. System.InvalidOperationException: Unable to create an instance of the ProcessMessageWS.Instrumentation.Installer1 installer type. at System.Configuration.Install.AssemblyInstaller.InitializeFromAssembly() at System.Configuration.Install.AssemblyInstaller.Install(IDictionary savedState) at System.Configuration.Install.Installer.Install(IDictionary stateSaver) at System.Configuration.Install.TransactedInstaller.Install(IDictionary savedState) The inner exception System.Reflection.TargetInvocationException was thrown with the following error message: Exception has been thrown by the target of an invocation.. at System.RuntimeType.CreateInstanceImpl(Boolean publicOnly) at System.Activator.CreateInstance(Type type, Boolean nonPublic) at System.RuntimeType.CreateInstanceImpl(BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes) at System.Activator.CreateInstance(Type type, BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes) at System.Configuration.Install.AssemblyInstaller.InitializeFromAssembly() The inner exception System.Security.SecurityException was thrown with the following error message: Security error.. at ProcessMessageWS.Instrumentation.Installer1..ctor() I am in the local administrators group for both my workstation and the server, so I'm not sure why I'd be getting a security error... There are no entries created in the Event logs, so I'm a little clueless as to why this is happening. Thanks in advance for the help, Chris Tag: OLE Server in .Net Tag: 98782
  - 10
    - caching objects and data Hi all, I am working on a component dll that could either br running in an asp.net app domain or on a regular app domain. I have a need to cache some frequently used objects and data. I know in asp.net I have access to a cache object. What can I use to cache when not running in asp.net? I am a vb programmer TIA Tag: OLE Server in .Net Tag: 98781
  - 11
    - Error using InstallUtil to add Event Sources I am trying run InstallUtil against a .DLL assembly that is basically empty except for the Installer and ProjectInstaller classes which I'm trying to use to create a specific Event Source to support the application. I believe I have it set up correctly in the Visual Studio project because it works when I run it from my Windows XP Pro desktop, but when I run it on the Windows 2003 Standard test server it fails with the following error: An exception occurred during the Install phase. System.InvalidOperationException: Unable to create an instance of the ProcessMessageWS.Instrumentation.Installer1 installer type. at System.Configuration.Install.AssemblyInstaller.InitializeFromAssembly() at System.Configuration.Install.AssemblyInstaller.Install(IDictionary savedState) at System.Configuration.Install.Installer.Install(IDictionary stateSaver) at System.Configuration.Install.TransactedInstaller.Install(IDictionary savedState) The inner exception System.Reflection.TargetInvocationException was thrown with the following error message: Exception has been thrown by the target of an invocation.. at System.RuntimeType.CreateInstanceImpl(Boolean publicOnly) at System.Activator.CreateInstance(Type type, Boolean nonPublic) at System.RuntimeType.CreateInstanceImpl(BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes) at System.Activator.CreateInstance(Type type, BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes) at System.Configuration.Install.AssemblyInstaller.InitializeFromAssembly() The inner exception System.Security.SecurityException was thrown with the following error message: Security error.. at ProcessMessageWS.Instrumentation.Installer1..ctor() I am in the local administrators group for both my workstation and the server, so I'm not sure why I'd be getting a security error... There are no entries created in the Event logs, so I'm a little clueless as to why this is happening. Thanks in advance for the help, Chris Tag: OLE Server in .Net Tag: 98780
  - 12
    - About the Rich Edit Control I need a control that can help me to realize the function of numbering and table edit in dotnet framework. Is there any idea? Or is it the most costless way of inherit the Rich Text Box and realize the function by myself? Tag: OLE Server in .Net Tag: 98778
  - 13
    - XmlAnyElement deserialization bug?? When I try to deserialize a class that has an [XmlAnyElement] property, that is getting assigned twice. Anyone else ever encounter this? Is this a .net bug? Sample code to reproduce: // ------------------------------- // Deserialize my object... MyItem q = MyItem.FromXml( "<MyItem Name=\"Joe\"><Property Name=\"first\"/></MyItem>" ); // ------------------------------- public class MyItem { public MyItem() {} [XmlAnyElement] public XmlElement[] SerializationElements { get { return elements; } set { elements = value; // <<--THIS GETS CALLED TWICE } } public static MyItem FromXml( string xml ) { System.IO.StringReader reader = new System.IO.StringReader( xml ); return s.Deserialize( reader ) as MyItem; } private XmlElement[] elements = null; private static XmlSerializer s = new XmlSerializer( typeof(MyItem) ); } Tag: OLE Server in .Net Tag: 98772
  - 14
    - System.ExecutionEngineException during a P/Invoke call Hello, I'm trying to make a program that talks to the printerspooler in .net. Currently the only way seems to be to go through P/Invoke calls to the win32 API. Thing is I get this error when I try to retrieve a job from the spooler. An unhandled exception of type 'System.ExecutionEngineException' occurred. The offending code in question is in C#: int antalBytes = 0; JobInfo1 pJob = new JobInfo1(); GetJob(printerhandle, jobid, 1, ref pJob, 0, out antalBytes); GetJob(printerhandle, jobid, 1, ref pJob, antalBytes, out antalBytes); It's the second call to GetJob that goes wrong apparently. The first call to GetJob just fills out antalBytes with the number of bytes needed for the second call. The second call fills in pJob (a struct) with various data, both int's and strings. The thing is that in the debugger I can look into the struct after the call, and all fields are populated with the correct data (or atleast it looks like correct data). I've found something about a bug in .net that might be related, not sure though. http://support.microsoft.com/default.aspx?scid=kb;en-us;327106 I've tried to Marshal the strings as: [MarshalAs(UnmanagedType.LPStr)] public String pPrinterName; and: [MarshalAs(UnmanagedType.LPTStr)] public String pPrinterName; and: public string pPrinterName; all give the error. I'm not even sure that is the problem. Some additional code that might be interesting: [DllImport("winspool.drv", EntryPoint="GetJobA", SetLastError=true, CharSet=CharSet.Ansi, ExactSpelling=true, CallingConvention=CallingConvention.StdCall)] public static extern bool GetJob( int hPrinter, // handle to printer int JobId, // job identifier int Level, // information level ref JobInfo1 pJob, // job to return int cbBuf, // bytes in array out int pcbNeeded // bytes received or required ); and some info on GetJob: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/gdi/prntspol_2uci.asp Any ideas? ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- Tag: OLE Server in .Net Tag: 98767
  - 15
    - Build Diffrences from Command Line and Visual Studio .NET I am building one of my setup project from command line using " devenv.com". when i install from this msi , one of my functionality dowsnot work. Now when I try the same from Visual Studio .NET editor, the fucntionality works very fine. The functionality is in a dll. I checked the version and size of the dll and they are same. But when i use "diff" to get the difference, it says that the dlls are different. Now after this when I am comparing the dlls from the VSS, then it is showing me some sort of crap. I want to know Is there anything which the .NET editor adds to the dll code? I want to raise this question to the product group as well. Kindly reply. Tag: OLE Server in .Net Tag: 98763
  - 16
    - Assembly & Compilation Hi all! I just want to know if it's possible to include assemblies in another one. I try to have only 1 .exe without external files... Can ressources be a solution (+Assembly.Load) or do you know a better way to complete that ? Thx for the answers! Tag: OLE Server in .Net Tag: 98761
  - 17
    - .Net: Getting list of network clients I am designing an application that need to get list of all the client computers on Windows network domain (in same domain on which application will run). how can i do this in .NET Thanx in advance Tag: OLE Server in .Net Tag: 98757
  - 18
    - System.Arithmetic Exception Hi All, I am too much toroubled with System.Arithmetic Exception All the Form based applications work fine on my system bu as soon as I use internet all the applications start giving this execption. When I create a new application and run it then it runs fine, then I just place a button on my C# or VB.NET application or do even resize my form then suddenly every thing goes wrong I am really fed up of this, I have to install Windows and VS2003 every 2nd day, is Dot net not supposed to be run on a machine having internet :P. regads Aftab Alam. Tag: OLE Server in .Net Tag: 98755
  - 19
    - programmatically render a datagrid cell I have a datagrid with templatecolumns. >From code I need to discover what will be rendered on the screen before calling the render method, for each type of column (BoundColumn would be easy, but I need it also for TemplaceColumns). Is there a way to do this, having the DatagridColumn object ? thanks! Tag: OLE Server in .Net Tag: 98754
  - 20
    - System.CodeDOM and Microsoft.CSharp missing Hi, I've got some C# code with a using clause containing :- using System.CodeDom; using Microsoft.CSharp; but it refuses to compile, saying it cannot find them and that I'm missing a reference. Can anyone tell me what I should be referencing? On a friend's machine it seems to find them ok, and I've even reinstalled .Net Framework 1.1 Thanks Rob Cowell Tag: OLE Server in .Net Tag: 98753
  - 21
    - managed C++ question This is a multi-part message in MIME format. ------=_NextPart_000_00AC_01C57B33.B9275B80 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I have 2 question: 1. testing type: in C#, to test the type of an object I could write, for exemple object o; //.... if(o is string) { // do something } how do I do that in Managed C++? so far I write if( dynamic_cast<String^>( o ) ) { // do something } but I found this somewhat unelegant... 2. calling the super type! I overwrite a class. I want to call the parent method: ref class MyClass : SuperClass { public: virtual property Object^ Target { void set(Object^ o) override { id^ _id =3D dynamic_cast<id^>( o ); if( !_id ) throw gcnew ArgumentException(); __super::Target =3D o; } } }; it doesn't compile ?!?! I don't know what to write .... ------=_NextPart_000_00AC_01C57B33.B9275B80 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=3DContent-Type content=3D"text/html; = charset=3Diso-8859-1"> <META content=3D"MSHTML 6.00.2900.2668" name=3DGENERATOR> <STYLE></STYLE> </HEAD> <BODY> <DIV><FONT face=3DArial size=3D2>I have 2 question:</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>1. testing type:</FONT></DIV> <DIV><FONT face=3DArial size=3D2>in C#, to test the type of an object I = could write,=20 for exemple</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>object o;</FONT></DIV> <DIV><FONT face=3DArial size=3D2>//....</FONT></DIV> <DIV><FONT face=3DArial size=3D2>if(o is string)</FONT></DIV> <DIV><FONT face=3DArial size=3D2>{</FONT></DIV> <DIV><FONT face=3DArial size=3D2>    // do = something</FONT></DIV> <DIV><FONT face=3DArial size=3D2>}</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>how do I do that in Managed = C++?</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>so far I write</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>if( dynamic_cast<String^>( o ) = )</FONT></DIV> <DIV><FONT face=3DArial size=3D2>{</FONT></DIV> <DIV><FONT face=3DArial size=3D2>    // do = something</FONT></DIV> <DIV><FONT face=3DArial size=3D2>}</FONT></DIV> <DIV><FONT face=3DArial size=3D2>but I found this somewhat = unelegant...</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>2. calling the super type!</FONT></DIV> <DIV><FONT face=3DArial size=3D2>I overwrite a class. I want to call the = parent=20 method:</FONT></DIV> <DIV><FONT color=3D#0000ff size=3D2>ref</FONT><FONT size=3D2> = </FONT><FONT=20 color=3D#0000ff size=3D2>class</FONT><FONT size=3D2> MyClass :=20 SuperClass</FONT></DIV> <DIV><FONT size=3D2>{</FONT></DIV> <DIV><FONT color=3D#0000ff size=3D2>public</FONT><FONT = size=3D2>:</FONT></DIV> <DIV><FONT color=3D#0000ff size=3D2>    = virtual</FONT><FONT size=3D2>=20 </FONT><FONT color=3D#0000ff size=3D2>property</FONT><FONT size=3D2> = Object^=20 Target</FONT></DIV> <DIV><FONT size=3D2>    {</FONT></DIV> <DIV><FONT color=3D#0000ff size=3D2>    =    =20 void</FONT><FONT size=3D2> set(Object^ o) </FONT><FONT color=3D#0000ff=20 size=3D2>override</FONT></DIV> <DIV><FONT size=3D2>        {</FONT></DIV> <DIV><FONT size=3D2>        =     id^=20 _id =3D </FONT><FONT color=3D#0000ff size=3D2>dynamic_cast</FONT><FONT=20 size=3D2><id^>( o );</FONT></DIV> <DIV><FONT color=3D#0000ff size=3D2>    =    =20     if</FONT><FONT size=3D2>( !_id )</FONT></DIV> <DIV><FONT color=3D#0000ff size=3D2>    =    =20         throw</FONT><FONT size=3D2> = </FONT><FONT=20 color=3D#0000ff size=3D2>gcnew</FONT><FONT size=3D2> = ArgumentException();</FONT></DIV> <DIV><FONT=20 size=3D2>          &nbs= p;=20 __super::Target =3D o;</FONT></DIV> <DIV><FONT size=3D2>        }</FONT></DIV> <DIV><FONT size=3D2>    }</FONT></DIV> <DIV><FONT size=3D2>};</DIV></FONT> <DIV> <P><FONT face=3DArial size=3D2></FONT><FONT face=3DArial size=3D2>it = doesn't compile=20 ?!?! I don't know what to write ....</FONT></P></DIV></BODY></HTML> ------=_NextPart_000_00AC_01C57B33.B9275B80-- Tag: OLE Server in .Net Tag: 98747
  - 22
    - How would you save a collection in a resource file? Hi, I need to localize my asp.net application and I would like to populate drop down box from a resource file I see that ms localization tool kit can save lists in a resource file but I don't want to use it How would you save a collection in a resource file? Thanks in advance. Tag: OLE Server in .Net Tag: 98741
  - 23
    - Font 'Arial' doesn't support style 'Regular'. Hi, hope someone can help me I'm getting this exception: [ArgumentException: Font 'Arial' doesn't support style 'Regular'.] System.Drawing.Font.Initialize(FontFamily family, Single emSize, FontStyle style, GraphicsUnit unit, Byte gdiCharSet, Boolean gdiVerticalFont) +584 System.Drawing.Font.Initialize(String familyName, Single emSize, FontStyle style, GraphicsUnit unit) +58 System.Drawing.Font..ctor(String familyName, Single emSize) +35 ASP.pruebaFuente_aspx.OnLoad(EventArgs e) in C:\Inetpub\wwwroot\webiberopuebla\pruebaFuente.aspx:8 System.Web.UI.Control.LoadRecursive() +35 System.Web.UI.Page.ProcessRequestMain() +750 The aspx file contains nothing more than: protected override void OnLoad(EventArgs e) Line 7: { Line 8: Response.Write(new System.Drawing.Font("Arial",10).ToString()); Line 9: base.OnLoad(e); Line 10: } I've tried the same "new System.Drawing.Font("Arial",10).ToString()" on a console application and it works well... if I delete Arial font from windows font folder the error raises also in the console application, but if I reinstall it, it works again This happens with bold style, and some other fonts, like Times, but other ones like verdana works... I've tried deleting and installing Arial font, installing service pack to framework 1.1, setting file permissions, but still doesn't work... Anyone's help? Nabani Tag: OLE Server in .Net Tag: 98740
  - 24
    - [OT] MSN problem sorry, but I think someone here might know... I try to send a picture via MSN to a friend. drag and drop the pic, I see the download progress bar. then the friend tol me it can't read it, it has a security message telling me that downloaded content are hazardous and it has been deleted. I solved it by mailing the picture to my friend. but I wonder, how do I fix this stupidly broken, so called 'security' feature? Tag: OLE Server in .Net Tag: 98738
  - 25
    - problem loading dll created by XmlSerializer I have strange problem on a client's computer. I have an application that uses XmlSerializer to load/save configuration data. this program worked OK on all computers so far. Now, on one computer, I get an error loading dll 'file:///C:/DOCUME~1/?????/LOCALS~1/Temp/bsehakc2.dll'. Now, this is NOT one of my dlls, so I ASSUME it's a dll generated by the XmlSerializer. The user running the program is the administrator, so it should not be problems with permissions. Another strange problem I had on this computer was that installation of dotnetfx.exe failed with error 'setup cannot write to setup log' (I was installing logged in as a user that was in the administrators group, but was not the built-in Administrator user account). After searching the newsgroups I managed to install the framework by installing under the Administrator account( instead of JUST a user who is in the administrator group). I don't know if these two problems are related, but if two strange things happen on the same computer... Thanks, Nadav See the end of this message for details on invoking just-in-time (JIT) debugging instead of this dialog box. ************** Exception Text ************** System.IO.FileNotFoundException: File or assembly name bsehakc2.dll, or one of its dependencies, was not found. File name: "bsehakc2.dll" at System.Reflection.Assembly.nLoad(AssemblyName fileName, String codeBase, Boolean isStringized, Evidence assemblySecurity, Boolean throwOnFileNotFound, Assembly locationHint, StackCrawlMark& stackMark) at System.Reflection.Assembly.InternalLoad(AssemblyName assemblyRef, Boolean stringized, Evidence assemblySecurity, StackCrawlMark& stackMark) at System.Reflection.Assembly.Load(AssemblyName assemblyRef, Evidence assemblySecurity) at System.CodeDom.Compiler.CompilerResults.get_CompiledAssembly() at System.CodeDom.Compiler.CompilerResults.get_CompiledAssembly() at System.Xml.Serialization.Compiler.Compile() at System.Xml.Serialization.TempAssembly..ctor(XmlMapping[] xmlMappings) at System.Xml.Serialization.XmlSerializer..ctor(Type type, String defaultNamespace) at System.Xml.Serialization.XmlSerializer..ctor(Type type) at BacSoft.Utils.XMLSer.XmlSave(FileStream fs, Object o, XmlAttributeOverrides xao) at BacSoft.Utils.XMLSer.XmlSave(String fn, Object o, XmlAttributeOverrides xao) at BacSoft.Utils.XMLSer.XmlSave(String fn, Object o) at BacSoft.SendSMS.smsConfig.saveMachineConfig(String mfn) at BacSoftSMS_Config.Form1.save() at BacSoftSMS_Config.Form1.Form1_Closing(Object sender, CancelEventArgs e) at System.Windows.Forms.Form.OnClosing(CancelEventArgs e) at System.Windows.Forms.Form.WmClose(Message& m) at System.Windows.Forms.Form.WndProc(Message& m) at System.Windows.Forms.ControlNativeWindow.OnMessage(Message& m) at System.Windows.Forms.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) === Pre-bind state information === LOG: Where-ref bind. Location = C:\DOCUME~1\?????\LOCALS~1\Temp\bsehakc2.dll LOG: Appbase = C:\Program Files\IrrinetSMS LOG: Initial PrivatePath = Calling assembly : (Unknown). === LOG: Policy not being applied to reference at this time (private, custom, partial, or location-based assembly bind). LOG: Attempting download of new URL file:///C:/DOCUME~1/?????/LOCALS~1/Temp/bsehakc2.dll. Tag: OLE Server in .Net Tag: 98737
- Next
  - 1
    - How to get session name/number for a process using framework? Hi, How do I get the session name and number of a process using the .NET Framework? I'd like to display the same info as the TASKLIST command line utility, but I cannot find this information as part of the Framework's Process or ProcessModule classes. Any ideas? Thanks in advance, Jim Tag: OLE Server in .Net Tag: 98729
  - 2
    - Insert image in Office Document Hallo, As a feature of a web application, I need to dynamically insert image (logo) according to the context in Office document (and then supply them for download). I've tried knowing more about the way Office document format are built. Because I'm not a OLE expert, it difficult to me to find who to deal with OLE Structered Storage. I've just seen code to read and write the properties of Office Document. I also know that some Product claim to do it (Aspose.Word, NWC.DocumentProperties, etc... but to expensiv because we just need to insert image -one feature- and nothing more) ... How did they do it ? Does someone could give me a hint ? a link to the right doc ? I'm ready to dive in OLE if necessary. Installing Office and PIA on the server side is definitively not a solution to suggest. TIA, Eric Tag: OLE Server in .Net Tag: 98725
  - 3
    - Localized resources not loaded until an administrator open the site... Hi, I continue to have some problem with localization in my custom controls. I have some custom controls which are webparts in sharepoint. these controls are localized (english & french) All works fine except if the end user is not an administrator! if the user which access the web site is not an administrator, then the system don't try to open the resource file, but the language detected is french. after an administrator has opened the web site, then EVERY users see the information in the right language!!! its like if the system don't try to find any localized DLL if the user is not admin and if the DLL is not allready in memory. its a real problem, because my client is not so happy with this bug... I think its a system level problem, because other webparts not developped by me suffers the same issue. thanks for your help. Jerome. Tag: OLE Server in .Net Tag: 98717
  - 4
    - Error when closing application. During development of an application that uses the parallel port for communications if I send data when the port on the connected device has an error I get an error that is handled with a try-catch-finally block. I can then clear the error on the device and successfully send data to it. But if I close the application after handling the error I get the following: An unhandled exception of type 'System.IO.IOException' occurred in mscorlib.dll Additional information: The handle is invalid. This occurs if I close with the exit function in the menu or if I click the 'X' in the form. Here is the code that handles parallel port writing: Public Sub ParallelSend(ByVal DataToSend As String) 'This subroutine prints data to the parallel port. Dim SA As SECURITY_ATTRIBUTES Dim outFile As FileStream, hPortP As IntPtr Try hPort = CreateFile(LPTPORT, GENERIC_WRITE, FILE_SHARE_WRITE, SA, OPEN_EXISTING, 0, 0) hPortP = New IntPtr(hPort) 'convert Int16 to IntPtr outFile = New FileStream(hPortP, FileAccess.Write, False) 'Create FileStream using Handle Dim fileWriter As New StreamWriter(outFile) fileWriter.AutoFlush = False fileWriter.WriteLine(DataToSend) fileWriter.Flush() fileWriter.Close() outFile.Close() retval = CloseHandle(hPort) Catch ex As System.IO.IOException MsgBox("Parallel Port Error" & vbCrLf & "Check printer and connection", MsgBoxStyle.Critical, "Parallel Port Error") Finally If hPort <> -1 Then retval = CloseHandle(hPort) End If End Try End Sub Any information would be appreciated. Butch Tag: OLE Server in .Net Tag: 98710
  - 5
    - WebBrower question... With .NET 2.0 (beta.....) MS is introducing a new Control: the WebBrowser. I'm afarid it will change quite a lot before final release as, obviously, the doc is screwed up... Anyway, nonetheles, I would like to know how I could do that with it: -1. use custom WebProtocol! I want to have custom protocol to query my application for buildin scripts, pictures, etc... I try to setup a custom protocol and link and pict with an href using this protocol, but my custom protocol handler is not even called! -2. I want the user to be able to edit the HTML content ... I can't see any ReadOnly or such property. Alternatively I would be happy to try an other HTML control which enable me 1. & 2. I found various other control, but they didn't use custom web protocol (hence I was not able to display inbuild picture) PS: I really need cutom protocol, as the pic would come from a database, and would be updated by the user. I know you might think I could (secretely) write the pic to a temporary folder and then use that, but that would requires me to update the HTML content every time it is displayed (to point to the changing temporary folder!!!!) Alsa I though of using RichTextBox, but that's no good, it's no good at using link. It will recognise a string like 'http://xxxx' but you cannot save a string like 'recipe' as being a link (with hidden information)(although you cold do it, it's lost when saved..) Tag: OLE Server in .Net Tag: 98704
  - 6
    - Helvetic font This is a multi-part message in MIME format. ------=_NextPart_000_004B_01C57984.9A8C5820 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable On many web site they use Helvetica web font. Which I found pretty neat = and would like to use in my WinForm app (as opposed to WebForm). But here, puzzle, the Helvetica doesn't appear in the Font chooser in = the VS.NET designer! Whhy is that? What kind of standart font cold I use as a replacement? I don't dare choose any font as I have heaps of font installed with = Corel Draw, but I think end user won't have the same as me! ------=_NextPart_000_004B_01C57984.9A8C5820 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=3DContent-Type content=3D"text/html; = charset=3Diso-8859-1"> <META content=3D"MSHTML 6.00.2900.2668" name=3DGENERATOR> <STYLE></STYLE> </HEAD> <BODY> <DIV><FONT face=3DArial size=3D2>On many web site they use Helvetica web = font. Which=20 I found pretty neat and would like to use in my <STRONG>WinForm</STRONG> = app (as=20 opposed to WebForm).</FONT></DIV> <DIV><FONT face=3DArial size=3D2>But here, puzzle, the Helvetica doesn't = appear in=20 the Font chooser in the VS.NET designer!</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>Whhy is that?</FONT></DIV> <DIV><FONT face=3DArial size=3D2>What kind of standart font cold I use = as a=20 replacement?</FONT></DIV> <DIV><FONT face=3DArial size=3D2>I don't dare choose any font as I have = heaps of=20 font installed with Corel Draw, but I think end user won't have the same = as=20 me!</FONT></DIV></BODY></HTML> ------=_NextPart_000_004B_01C57984.9A8C5820-- Tag: OLE Server in .Net Tag: 98696
  - 7
    - Controlling Threads I am having a problem with QueueUserWorkItem. I thought there was a maximum number of worker threads a threadpool had available, 25 per processor, or something like that. However, when executing the following code, after about 125 or so Excel processes are running I get: "An unhandled exception of type 'System.Runtime.InteropServices.COMException' occurred in Fiscal Year End.exe" Additional information: Server execution failed When another thread starts to execute. I would expect at most 50 concurrent Excel threads on a P4 hyperthreading system. Is there something wrong in my code that keeps the system from recognizing the maximum thread count? Private ExcelPool As System.Threading.ThreadPool <Some Code> For Each AccountRow In ReportingDS.Tables("Ledger Accounts").Rows SummaryRows = AccountRow.GetChildRows("Account Summary") For Each SummaryRow In SummaryRows TargetRange = WS.Cells(CurrentRow, 1) TargetRange.Resize(1, _ SummaryRow.ItemArray.GetLength(0)).Value = SummaryRow.ItemArray TargetRange = WS.Cells(CurrentRow, 1) WS.Hyperlinks.Add(TargetRange, SaveSubDirectoryString & _ WS.Cells(CurrentRow, 1).Value & ".xls", , _ "Click on account number to open account activity.", _ WS.Cells(CurrentRow, 1).Value) CurrentRow += 1 Next Dim StObj As New StateObj StObj.DataRowArg = AccountRow.GetChildRows("Account Detail") StObj.DataTableArg = ReportingDS.Tables("Ledger Detail").Clone StObj.SavePath = SaveSubDirectoryString & AccountRow(0) + ".xls" StObj.DSName = AccountRow(0) ExcelPool.QueueUserWorkItem(New System.Threading.WaitCallback _ (AddressOf SaveExcelData), StObj) Next <More Code> Private Sub SaveExcelData(ByVal StateObj As Object) Dim StObj As StateObj StObj = CType(StateObj, StateObj) Dim ThreadExcel As New Excel.Application Dim ThreadWorkbook As Excel.Workbook = ThreadExcel.Workbooks.Add While ThreadWorkbook.Worksheets.Count > 1 ThreadWorkbook.Worksheets(ThreadWorkbook.Worksheets.Count).Delete() End While Dim ThreadWorksheet As Excel.Worksheet = ThreadWorkbook.Worksheets(1) Dim DR As DataRow Dim DC As DataColumn For Each DC In StObj.DataTableArg.Columns ThreadWorksheet.Cells(1, DC.Ordinal + 1) = DC.ColumnName Next ThreadWorksheet.Rows(1).Font.Bold = True ThreadWorksheet.Rows(1).Font.Underline = Excel.XlUnderlineStyle.xlUnderlineStyleSingle Dim CurrentRow As Integer = 2 Try For Each DR In StObj.DataRowArg For Each DC In StObj.DataTableArg.Columns ThreadWorksheet.Cells(CurrentRow, DC.Ordinal + 1).Value = DR(DC.Ordinal) Next CurrentRow += 1 Next Catch ex As Exception MsgBox(ex.Message, MsgBoxStyle.Critical, "Thread Excel") ThreadWorksheet = Nothing ThreadWorkbook = Nothing ThreadExcel.Quit() ThreadExcel = Nothing End Try ThreadWorkbook.SaveAs(StObj.SavePath) ThreadWorkbook.Close() ThreadExcel.Quit() ThreadExcel = Nothing StObj = Nothing End Sub -- Richard A. Welch IT Manager House of Raeford Farms, Inc. - Raeford Division Tag: OLE Server in .Net Tag: 98694
  - 8
    - Format Double Values using BoundColumn.DataFormatString Hi, I have a Double Value. i am planning to display it in "0.0000" format i.e. the decimals length is fixed i.e. 4. I am using math.round function which is reducing the length to 4. but if the length is just 2 digits then it is giving 2 digits only. where i want 4 digits. Can anyone help me out. I done this functionality in visual basic but now i want it for c#.net Thanks in advance Prasad Dannani Tag: OLE Server in .Net Tag: 98693
  - 9
    - Question about DLLIMport Hi, How can i resolve following trouble. I will import function from WINAPI that receive char pointer For example: char* Somefunction (int ); How can i prepare this? Regards, Pawel Tag: OLE Server in .Net Tag: 98688
  - 10
    - release com+ objects in Windows 2003 server Hi I have developed some com+ component in dotnet using below System.Runtime.InteropServices System.EnterpriseServices I am creating object of these components in asp pages and invoking from other com dlls ( developed in VC++) . I observe a strange behavior in windows 2003 server. After the function call the object is not released. Every call keeps adding to the number of activated objects and finally it reaches the limit of my pooling setup and fails. I am setting the object to nothing in the asp which should ideally update the ref count of the com object and release it. This worked perfectly in Windows 2k and XP. I know a workaround for this. If i call the dispose function it releases the object. I was reluctant to change the code base on the Operating System. Please advice how to get this issue resolved. Thanks in advance, Praveen Tag: OLE Server in .Net Tag: 98683
  - 11
    - Enterprise Library Logging Block - Using an Xml Sink? Hi, Is there a way to use the logging block to write out the log as pure xml? Ive got an application that writes the log to a file and I want to be able to read this into a web application. I dont need to log to a database as this would be overkill for what Im trying to do. Thanks, Mark Tag: OLE Server in .Net Tag: 98680
  - 12
    - installing net framework Im running windows ME and had to recover my computer last week. I cannot reinstall my printer/scanner without installing the net framework however I have tried everything to install it and it will not install. Leaving me with a 1935 error message. I think I have read all the messages but I still dont know how to install this thing. Can someone please help me. Thank you Tag: OLE Server in .Net Tag: 98679
  - 13
    - Bluetooth Commercial SDK Hello I have a question about working with Bluetooth. Are there any commercial Bluetooth SDK for working with Bluetooth from C# in Windows XP? Could you advise me something? Thank you in advance! With best regards, Eugene Safrankow. Tag: OLE Server in .Net Tag: 98671
  - 14
    - Toolbar / ImageList problem - Design Time vs Run Time I have an object derived from System.Windows.Forms.UserControl (plus an interface I defined). The UserControl has quite a few child controls (some w/children of their own) ranging from listviews to treeviews to tab controls / pages, toolbars, panes, and splitters. All my toolbars display correctly during design time. But, at runtime, some are displayed correctly and others aren't (there is no image shown - just a blank button). With each toolbar, it's all or nothing. Either all the images are correctly displayed, or none of them are. I've tried a couple things like deleting and re-creating the imagelist used by the toolbars and deleting and re-adding the buttons. Nothing seems to help. Any ideas? One follow-up: The transparent areas of the images that do display aren't transparent. I've tried with the transparent color set to the default as well as the actual color (used RGB value - 191, 192, 195) used in the images. Those "transparent" areas do show up, though. Btw, these are bitmaps. Any help is much appreciated. TIA. -- Michael Salamone [eMVP] Entrek Software, Inc. www.entrek.com Tag: OLE Server in .Net Tag: 98670
  - 15
    - Strong Naming using AssemblyDelaySign(true) and VSS Hi I am having a problem using VSS (Visual SourceSafe) to store delayed signed assemblies - they are being 'broken' and are needing to be resigned. I have found that signing assemblies using AssemblyDelaySign(false) works fine - in that I can check the resulting assembly into VSS delete the original from the file system and when I get it back out of VSS it still works (i.e. is still correctly signed). I have however found that signing assemblies using AssemblyDelaySign(true) does not like being checked in/out of VSS. The signing operation itself works fine but if the resulting assembly is checking into VSS and the original is deleted, when got back out of VSS it is broken and needs resigning. The only obvious difference between the original and the one out of VSS that springs to mind is when got from VSS it has a new date/time. I do not want to set VSS to use original DateTime as that brings with it many other issues, such as failure to get latest is the person's clock who checks something in is late. Can anyone tell me how I can late sign yet still use VSS to store the resulting assemblies? Thanks Stuart Wells Tag: OLE Server in .Net Tag: 98668
  - 16
    - Converting a 4D array to a 1D array and addressing it I have a four dimensional array which I am trying to flatten into a single dimension array: Dim Array4D(10,10,10,10) as Single I can create my one dimensional array to be big enough to contain teh data from the 4D array: Dim Array2D(Array4D.Length - 1) As Single Then I populate it like so: Dim intArray2dIndex As Integer For t As Integer = 0 To Array4D.GetUpperBound(0) For x As Integer = 0 To Array4D.GetUpperBound(1) For y As Integer = 0 To Array4D.GetUpperBound(2) For z As Integer = 0 To Array4D.GetUpperBound(3) Array2D(intArray2dIndex) = Array4D(t, x, y, z) intArray2dIndex += 1 Next Next Next Next But once I have my 1D array how do I retrieve a value from it using the original t,x,y,z values? In other words, given a t, x, z and y value that would describe a position in the 4D array I need to translate that to a single value that describes the position in the one dimensional array. Any help on this one? TIA Tag: OLE Server in .Net Tag: 98667
  - 17
    - Printing the data on the FarPoint I want to print the data on the FarPoint grid of which columns are too many to fit on a page. So, how can I separate and print the data onto more than one page by using Visual C#? Tag: OLE Server in .Net Tag: 98658
  - 18
    - Bloated Files... Hello, We're moving a project from MFC to .net. And we've been able to make some great improvements on the way - especially on the GUI side (big hurray for the guys who made the propertyGrid). But when it comes to Serialization - well I don't know. Using BinaryFormatter the file is 436 times larger then the file created with MFC. And just a hint for the problem in this: the file with 2.2 million objects was 7MB and now it is 3GB. (oh - not to mention that the load time was 30seconds and now well over 15minutes). Now I've read a lot about all the different options and have tested quite of it. I love the way all the formatting stuff fits together e.g. in remoting and I can see the merits. But, just in the off chance that I am overlooking something - is there a better Serialization scheme hidden somewhere in .net or has somebody else sat down an implemented a "MFC" similar way? Kind Regards, Michael Tag: OLE Server in .Net Tag: 98655
  - 19
    - Classes to identify device parameters? Hi All, I'm fairly new to .Net Framework, so if this has been answered before, please redirect me... One of the public methods in the Environment class is 'GetLogicalDrives', which returnes a String[]... What methods/classes allow the programmer to querry the types of devides returned in this array... For example, I need to know, if the device is a 'removable' device (i.e. memory stick, CD-ROM, etc)... What class method could be used to identify these devices (from a string no less)... You help would be appreciated... Thanks, Peter Wilford Tag: OLE Server in .Net Tag: 98654
  - 20
    - What good is this automatic garbage collector? I have a simple .NET application with two or three listViews which are filled with icons and when the user click on the proper item, they display the related images. I use "image = null ; " for all images that have been used and are going to be closed. This is how ever no way to reduce the memory consumption. I have noticed , using the task manager, that garbage collector doesn't actually do any collections unless the computer becomes low on memory. This is very foolish, and what good is a garbage collector which doesn't collect the disposed objects when they aren't needed anymore? Besides, calling CG.Collect() is usually avoided for performance and speed. What else can i do? PS: i wont hurt you to read this: http://www.cs.tut.fi/~warp/MicrosoftComparingLanguages/ Tag: OLE Server in .Net Tag: 98649
  - 21
    - How to build a component so its visible in the Studio "Add Referen I have built a dll and registered in the gac with gacutil. i can see the dll in the gac with a public Token and the correct codebase. But this dll is not visible in the Studio's "Add Reference" Dialogbox. How to do this ? thanks in advance. Andreas Tag: OLE Server in .Net Tag: 98647
  - 22
    - Using parameters in a SQL OleDb provider leads to "must declare variable error" Hi I am using the code below to run a simple query using the SQlOledb provider but for some reason, I get the error "must declare the variable @BamDestination" when the SQL is executed. This works fine if I use the SQL Server provider. Anyone any ideas ? //Using oledb to support sybase as well as SQL server OleDbConnection conn = null; try { conn = new OleDbConnection(connectionString); conn.Open(); string sSQL = @"SELECT MESSAGEDATE, MESSAGEREF, RESPONSE FROM GENERATEDRESPONSES WHERE DESTINATION = @BamDestination ORDER BY GENERATEDDATE"; OleDbParameter [] arParms = new OleDbParameter[1]; string bamDestination = "BAM"; arParms[0] = new OleDbParameter("@BamDestination",OleDbType.VarWChar); arParms[0].Value = bamDestination; OleDb oleDb = new OleDb(); return oleDb.ExecuteDataset(conn, CommandType.Text, sSQL,arParms); Tag: OLE Server in .Net Tag: 98646
  - 23
    - Using parameters in a SQL OleDb provider leads to "must declare variable error" Hi I am using the code below to run a simple query using the SQlOledb provider but for some reason, I get the error "must declare the variable @BamDestination" when the SQL is executed. This works fine if I use the SQL Server provider. Anyone any ideas ? //Using oledb to support sybase as well as SQL server OleDbConnection conn = null; try { conn = new OleDbConnection(connectionString); conn.Open(); string sSQL = @"SELECT MESSAGEDATE, MESSAGEREF, RESPONSE FROM GENERATEDRESPONSES WHERE DESTINATION = @BamDestination ORDER BY GENERATEDDATE"; OleDbParameter [] arParms = new OleDbParameter[1]; string bamDestination = "BAM"; arParms[0] = new OleDbParameter("@BamDestination",OleDbType.VarWChar); arParms[0].Value = bamDestination; OleDb oleDb = new OleDb(); return oleDb.ExecuteDataset(conn, CommandType.Text, sSQL,arParms); Tag: OLE Server in .Net Tag: 98645
  - 24
    - managed C++: from 'array<wchar_t>^' to 'wchar_t*' I try something like: array<wchar_t>^ buf_str = gcnew array<wchar_t>(len); wchar_t* p_buf_str = &buf_str[0]; And although that work in C#, tha doesn't work in C++ ?!? Also, for some reason I cannot declare them on the stack array<wchar_t> buf_str = gcnew array<wchar_t>(len); (without the ^) but I could do thta with other type.. is ther a work around? Tag: OLE Server in .Net Tag: 98638
  - 25
    - managed C++ StringBuilder & wchar_t* from some ManagedC++ code I'm writing I would like to call a function like that void myfunction(wchar_t*, unsigned); I would like to avoid attribute, particularly as I import the header, there are plenty of custom types and function and it's much more easy to just call the function (otherwise I rather code in C#, in fact...) I though I could just wchar_t* buf = alloc(n * sizeof(wchar_t)) for(...) { // copy char 1 by 1 } bur certainly there is a faster version? involving some memcpy, maybe internally to the StringBuilder? Tag: OLE Server in .Net Tag: 98636

For example : I want to implement such feaures :

User copy some objects from a C# or VB.net WinForm application and paste
into a Word Document. When user double click the object in the Word Document,
the application is started to show the object in application and user can
manipulate that object.

How to do it in .NET world? Thanks!

Top

Re: OLE Server in .Net by Dmytro

Dmytro
Wed Jun 29 11:56:25 CDT 2005

Hi,

I'm afraid OLE in-place active objects are not supported by the Framework.
Whereas I've heard it is possible to register a WinForms user control as an
ActiveX control (probably by applying the ComVisible atttribute), there
might still be a lot of work to do to turn it into a full-blown OLE in-place
object.

See the MSDN docs on the IOleInPlaceActiveObject for example.

--
Sincerely,
Dmytro Lapshyn [Visual Developer - Visual C# MVP]

"Luu Sinh Ngoc" <Luu Sinh Ngoc@discussions.microsoft.com> wrote in message
news:04BA59D4-0056-4C85-AA89-587770C67FA5@microsoft.com...
> For example : I want to implement such feaures :
>
> User copy some objects from a C# or VB.net WinForm application and paste
> into a Word Document. When user double click the object in the Word
> Document,
> the application is started to show the object in application and user can
> manipulate that object.
>
> How to do it in .NET world? Thanks!

Top

Re: OLE Server in .Net by Dmytro

Dmytro
Wed Jun 29 11:58:23 CDT 2005

To follow up: it seems that the Control class already implements
IOleInPlaceActiveObject, so if you manage to expose your UserControl as an
ActiveX object and register it under an appropriate category in the
registry, this might be all you need!

--
Sincerely,
Dmytro Lapshyn [Visual Developer - Visual C# MVP]

"Luu Sinh Ngoc" <Luu Sinh Ngoc@discussions.microsoft.com> wrote in message
news:04BA59D4-0056-4C85-AA89-587770C67FA5@microsoft.com...
> For example : I want to implement such feaures :
>
> User copy some objects from a C# or VB.net WinForm application and paste
> into a Word Document. When user double click the object in the Word
> Document,
> the application is started to show the object in application and user can
> manipulate that object.
>
> How to do it in .NET world? Thanks!

Top