Classes to identify device parameters?

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  - 1
    - 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: Classes to identify device parameters? Tag: 98649
  - 2
    - 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: Classes to identify device parameters? Tag: 98647
  - 3
    - 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: Classes to identify device parameters? Tag: 98646
  - 4
    - 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: Classes to identify device parameters? Tag: 98645
  - 5
    - 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: Classes to identify device parameters? Tag: 98638
  - 6
    - 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: Classes to identify device parameters? Tag: 98636
  - 7
    - Read large text files Hello: How to read large text files about 100M?How about using method ReadtoEnd()? I need some suggestions. Thanks in advance. Tag: Classes to identify device parameters? Tag: 98635
  - 8
    - Retrieve Description/ Meta tags from website as well as remove HTML Hi all, does anyone know of a nice utility/ class which will allow me to retrieve the details of a webpage? Specifically, I would like to be able to retrive the html and then call a method which would retrieve: meta tags Keywords Description as well as another method which removes all the HTML from the string starting at the body tag Does one exist? I know I can write one using regular expressions etc but rather than inventing the wheel :) Thanks Mark Tag: Classes to identify device parameters? Tag: 98634
  - 9
    - Correct ways to throw custom exceptions &when to use inner excepti Hi, I've created a custom exception class that inherits from System.ApplicationException (implemented in a similar manner to the recommendations made in the Exception Management Architecture Guide). My question is: Whatâ??s the correct way to throw a custom exception in the following scenario? Example scenario: Custom Exception hierarchy: +---System.Exception | +---Application.Exception | | +---CustomBaseAbstractException | | | +---UtilityEx If client code calls a function in one of Utility's types and the parameters are two empty strings-- Is it better to throw the custom exception like this: Throw New UtilityEx(BAD_PARAM_EX_MESSAGE) OR-- since ArgumentException is the specific "way" to say "I can't use these parameters" is it better to set an instance of an argumentException to the UtilityEx â??s "inner exception" property? Throw New UtilityEx(New ArgumentException),BAD_PARAM_EX_MESSAGE) Should I only use inner exceptions when catching real exceptions or can you also just create one for the sake of specificity even though the runtime has not thrown one? Thanks, -Chris Tag: Classes to identify device parameters? Tag: 98631
  - 10
    - thanks -----Original Message----- From: Herfried K. Wagner [MVP] Posted At: Thursday, June 23, 2005 9:49 AM Posted To: microsoft.public.dotnet.framework Conversation: Properties Windows in Visual Studio Subject: Re: Properties Windows in Visual Studio "poifull" <poifull76@yahoo.com> schrieb: > In the "Properties Window" in the Visual Studio Environment. When you > click on Categorized View, properties are grouped by property types with > an collapsible icon next to the type name. That would be a nice feature > for my application. Is the Property Window something I have to develop or > if it is available somewhere? You can use VS.NET's property grid control ('System.Windows.Forms.PropertyGrid' class). Getting the Most Out of the .NET Framework PropertyGrid Control <URL:http://msdn.microsoft.com/library/en-us/dndotnet/html/usingpropgrid.asp> -- M S Herfried K. Wagner M V P <URL:http://dotnet.mvps.org/> V B <URL:http://classicvb.org/petition/> Tag: Classes to identify device parameters? Tag: 98629
  - 11
    - thanks for the info -----Original Message----- From: Herfried K. Wagner [MVP] Posted At: Thursday, June 23, 2005 9:49 AM Posted To: microsoft.public.dotnet.framework Conversation: Properties Windows in Visual Studio Subject: Re: Properties Windows in Visual Studio "poifull" <poifull76@yahoo.com> schrieb: > In the "Properties Window" in the Visual Studio Environment. When you > click on Categorized View, properties are grouped by property types with > an collapsible icon next to the type name. That would be a nice feature > for my application. Is the Property Window something I have to develop or > if it is available somewhere? You can use VS.NET's property grid control ('System.Windows.Forms.PropertyGrid' class). Getting the Most Out of the .NET Framework PropertyGrid Control <URL:http://msdn.microsoft.com/library/en-us/dndotnet/html/usingpropgrid.asp> -- M S Herfried K. Wagner M V P <URL:http://dotnet.mvps.org/> V B <URL:http://classicvb.org/petition/> Tag: Classes to identify device parameters? Tag: 98627
  - 12
    - Dependent xml file Is there anyway to create an XML or text file that is a dependency of an assembly. So that when the assembly is copied because it is a resource by developer studio the dependent text/xml file is copied too? I don't want to embed the xml file because it changes often. Tag: Classes to identify device parameters? Tag: 98624
  - 13
    - Exe called from web service doesn't give results I have a third party exe which takes in a set of arguments including filenames and searches for information through it own server over the internet and then writes results to output files. I got this exe to run when called from a windows application in VB.NET. When I tried to do the same using a webservice, the process.start runs without error and I do not get any errors or output. No result files are generated. Can someone tell me why this may be happening. I did create another exe in VB which basically writes to a file. I called this exe from the webservice and it worked and also created my file. The code I am using is as below. myProcess.StartInfo.FileName = "ThirdParty.exe" args = "Someargs" myProcess.StartInfo.Arguments = args myProcess.StartInfo.WorkingDirectory = "<location path>" myProcess.StartInfo.CreateNoWindow = True myProcess.StartInfo.UseShellExecute = False myProcess.StartInfo.ErrorDialog = True myProcess.StartInfo.RedirectStandardError = True myProcess.StartInfo.RedirectStandardOutput = True myProcess.Start() myProcess.WaitForExit() Dim i As Integer = myProcess.ExitCode() Dim sErr As String = myProcess.StandardError.ReadToEnd() Dim sOut As String = myProcess.StandardOutput.ReadToEnd() sOut shows correct information when running from windows app but none when run rfom web service. Tag: Classes to identify device parameters? Tag: 98623
  - 14
    - Exe called from web service doesn't give results I have a third party exe which takes in a set of arguments including filenames and searches for information through it own server over the internet and then writes results to output files. I got this exe to run when called from a windows application in VB.NET. When I tried to do the same using a webservice, the process.start runs without error and I do not get any errors or output. No result files are generated. Can someone tell me why this may be happening. I did create another exe in VB which basically writes to a file. I called this exe from the webservice and it worked and also created my file. The code I am using is as below. myProcess.StartInfo.FileName = "ThirdParty.exe" args = "Someargs" myProcess.StartInfo.Arguments = args myProcess.StartInfo.WorkingDirectory = "<location path>" myProcess.StartInfo.CreateNoWindow = True myProcess.StartInfo.UseShellExecute = False myProcess.StartInfo.ErrorDialog = True myProcess.StartInfo.RedirectStandardError = True myProcess.StartInfo.RedirectStandardOutput = True myProcess.Start() myProcess.WaitForExit() Dim i As Integer = myProcess.ExitCode() Dim sErr As String = myProcess.StandardError.ReadToEnd() Dim sOut As String = myProcess.StandardOutput.ReadToEnd() sOut shows correct information when running from windows app but none when run rfom web service. Tag: Classes to identify device parameters? Tag: 98621
  - 15
    - "Hello World" to "Hello\sWorld" I am trying to find a prewritten method for converting a string like this:"Hello World" to this "Hello\sWorld". I plan to use it to build a regular expression. Specifically I am looking for a method that can convert not just space (\s) but also any character that needs to be escaped in a given string. Thanks, Matt Tag: Classes to identify device parameters? Tag: 98617
  - 16
    - ASP.NET Security Exception Error I'm new tothe ASP.NET framework and my first task is to create a web interface for an n-tier application. I'm getting the following error when trying to authenticate a forms-based login: "The application attempted to perform an operation not allowed by the security policy. To grant this application the required permission please contact your system administrator or change the application's trust level in the configuration file." I've seen a number of people posting this error in the newsgroup and have examined the solutions. Some are assuming a technical prowess with .NET that I just don't have yet while others are akin to reading Swahili. Tracing through the program I've found that the error occurs on the line of code currentDomain.SetPrincipalPolicy(PrincipalPolicy.UnauthenticatedPrincipal); and yields the following stack trace: [SecurityException: Request for the permission of type System.Security.Permissions.SecurityPermission, mscorlib, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 failed.] System.Security.CodeAccessSecurityEngine.CheckTokenBasedSetHelper(Boolean ignoreGrants, TokenBasedSet grants, TokenBasedSet denied, TokenBasedSet demands) +503 System.Security.CodeAccessSecurityEngine.CheckSetHelper(PermissionSet grants, PermissionSet denied, PermissionSet demands) +144 System.AppDomain.SetPrincipalPolicy(PrincipalPolicy policy) +0 [...]..ctor(String userID, String password, Boolean usePassword) in [...]principal.cs:51 [...]Principal.Login(String userName, String password) in [...]principal.cs:45 [...]tryLogin(String userName, String userPassword) in [...]login.aspx.cs:53 ASP.Login_aspx.btnLogin_Click(Object sender, EventArgs E) in [...]Login.aspx:7 System.Web.UI.WebControls.Button.OnClick(EventArgs e) +108 System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +57 System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +18 System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +33 System.Web.UI.Page.ProcessRequestMain() +2112 System.Web.UI.Page.ProcessRequest() +218 System.Web.UI.Page.ProcessRequest(HttpContext context) +18 System.Web.CallHandlerExecutionStep.System.Web.HttpApplication+IExecutionStep.Execute() +179 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +87 If ignorance is bliss then I'm ecstatic right now. Can anyone help make sense out of this? I got the hint that it's a trust problem and that the Web.config file might be involved, but I don't want to be a Mad Bomber and create more problems than I solve. Thanks, Edwin Tag: Classes to identify device parameters? Tag: 98613
  - 17
    - [OT] MSVCRx.dll I have a gcc program linked against MSVCR70.DLL (and it hsip with it) Could I recompile it, linked against and shiped it with MSVCR80.DLL ? I mean does these MSVCRxx.DLL completely self contained? or could they depend on other (optional) DLL? Tag: Classes to identify device parameters? Tag: 98609
  - 18
    - WebExceptionStatus.ReceiveFailure Hi, everybody. Do you know, which HTTP response produces WebException with Status == WebExceptionStatus.ReceiveFailure? I get this exception raised in my small C# tool whenever the HTTP server returns HTTP/1.1 200 OK with no more data in the response body. If there are some other data after 200 OK, then no WebException is thrown. Can it be that the reason of WebException in this case is the absence of the response body? Because in RFC2616 it is mentioned that in case when response contains no data the correct HTTP answer code must be "204 No Content". If this is wrong newsgroup could you please give me a hint, where can I receive an answer on my question? Thank you. Sergey. Tag: Classes to identify device parameters? Tag: 98607
  - 19
    - Application Quitting with no Error I'm using Aspects for my middle-tier data access, and on call interception the application quits without error. It's inconsistent and I've found no solid repro. I'm assuming the CLR is encountering an error it can't handle, but I can't reproduce it consistently so it's hard to determine how this is happening exactly. The object is constructed, and then on property access the application quits. The aspect is used in other places (And is executed well over 50 times) before it crashes. It only crashes in one specific class that doesn't do anything special. Any ideas? Does the CLR have a log file I can access? Thanks in Advance. --ROBERT Tag: Classes to identify device parameters? Tag: 98605
  - 20
    - Some Help !! Hi,This is Riyaz. well,im quite good at C++ and OOP concept.i wanna jump to .NET field but whenever i do something those ATL,DLL,COM etc like thinks make me confuse. so anybody of u can help me out to find the right path to follow to be a good programmer in .NET. Tag: Classes to identify device parameters? Tag: 98603
  - 21
    - Threading hi,all this is a stupid question. I want to use thread when I create a new ThreadStart, ThreadStart thread = new System.ThreadThreading.ThreadStart(ThreadProc) I want to pass some parameter to ThreadProc how to do it? thanks Tag: Classes to identify device parameters? Tag: 98602
  - 22
    - Need to monitor LastAccess I am using FileSystemWatcher to monitor access to a file. I am setting NotifyFilters to LastAccess. The problem here is that this notification only allows monitoring change in Access Date. The event is not fired if only access time is changed. Any workaround for this? I have never used this class before so excuse me if this is a newbie question Tag: Classes to identify device parameters? Tag: 98601
  - 23
    - ASP.NET 2.0 ObjectDataSource question Hello all, The ObjectDataSource control uses reflection to create instances of business components and call the appropriate methods to select, update,... data. How can I use the ObjectDataSource control if I don't want to allow it to instantiate the businesscomponents directly but use a ComponentFactory which takes care of creating components. How can I use the ObjectDataSource control with this factory. The code to create the component and obtain a collection of business objects looks somewhat like this. ICustomerComponent component = ComponentFactory().CreateCustomerCompoment(); ArrayList customers = customer.ReadCustomers(); Is this possible with the objectdatasource? Kind Regards, Kristof Tag: Classes to identify device parameters? Tag: 98596
  - 24
    - managed C++ cast operator I am writing a Managed C++ wrapper around some library. There is a typedef char OBOOL; I would like to write a cast operator between BOOL <-> OBOOL (where BOOL is MS's: typedef int BOOL;) How do I do that? I tryed: operator BOOL (OBOOL b) { if(b) return TRUE; return FALSE; } operator OBOOL (BOOL b) { if(b) return YES; return NO; } But the compiler says: operator BOOL / OBOOL must be a non static operator... Tag: Classes to identify device parameters? Tag: 98592
  - 25
    - Properties Windows in Visual Studio In the "Properties Window" in the Visual Studio Environment. When you click on Categorized View, properties are grouped by property types with an collapsible icon next to the type name. That would be a nice feature for my application. Is the Property Window something I have to develop or if it is available somewhere? If I have to build it what control should I use? Thanks for reading this message Tag: Classes to identify device parameters? Tag: 98589
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  - 1
    - How to convert font character into Bitmap Hi, I want to convert a character into bitmap of 8x8 and 16x16. At this time I am doing it using objGrahpics.DrawString(...) function. But it's not giving good output. Does anybody know better solution than above ? Language: VB .net .net Framework: 1.1 Thanks, -yogee Tag: Classes to identify device parameters? Tag: 98588
  - 2
    - HRESULTs Hi, I've been asked to write some code that only logs "serious exceptions" (a client... long story). I'm a somewhat young programmer and started w/ .net so I haven't been exposed to Com and Hresults before. My question is: I know that all .net exceptions have an HRESULT protected property. Is it true that there's a relationship between an error/exceptions "level of severity" and its HResult value? For instance: The HResult for a common error such as System.NullReferenceException is: 0x80004003 (Reflector has the integer value as: 2147467261) The HResult for an exception that signifies serious trouble such as System.ExecutionEngineException is: 0x80131506. Aka 2146233082 Would it be possible for me to define an HRESULT "threshold" and log all exceptions that are above or below such a value? Or is there no relationship between severity and an exception's HRESULT value? I suppose the other alternative is to use multiple exception filters but assuming that my "relationship" assumption is correct the user one if statement would be more simple and scalable. I know the Logging Block in the new Enterprise Library can do this but Iâ??ve been asked to implement a solution in the next couple of days and havenâ??t delved far enough into the Enterprise library to use it in a real project yet. Tag: Classes to identify device parameters? Tag: 98587
  - 3
    - How do I launche browser maximized each time? I am running Windows XP, IE 6.0, and VB.NET, all with the latest service packs. Originally, whenever I would press F5 from VB.NET to start my web application, I.E. would launch full screen (which is 1024x768 on my computer). (I think I had the browser screen stretched to 1024x768 rather than using the Maximize button). Then I changed my Windows XP resolution to 640x480 to see how my web application would look. Then I changed my Windows XP resolution back to the original 1024x780. But now, each time I press F5 from within VB.NET web application, it launches IE at a resolution of 640x480. Regardless of whether I stretch the browser window or use its maximize button, the browser will launch at 640x480 (not maximized) the next time I press F5 to launch my VB.NET web application. How can I make IE launch maximized (or with a resolution of 1024x768) each time I press F5 in VB.NET? NOTE: If I just launch IE manually from my desktop, it DOES start in Maximized mode, so the root cause appears to be within VB.NET not IE. Thanks for your help. Tag: Classes to identify device parameters? Tag: 98586
  - 4
    - Cannot serialize PrinterSettings I wanted to save the printer set up by serializing the printer settings using XmlSerialization, however it does not seem to work. What am I missing here? Code: ------- using System; using System.Drawing.Printing; using System.IO; using System.Xml.Serialization; namespace MiTekAUS.mi2020Gui { /// <summary> /// Summary description for MiPrinterSettings. /// </summary> public class MiPrinterSettings { public static void Save(string name, PrinterSettings printerSettings) { XmlSerializer mySerializer = new XmlSerializer(typeof(PrinterSettings)); StreamWriter myWriter = new StreamWriter(name + ".xml"); mySerializer.Serialize(myWriter, printerSettings); } } } Error: ------- There was an error reflecting type 'System.Drawing.Printing.PrinterSettings at System.Xml.Serialization.XmlReflectionImporter.ImportTypeMapping(TypeModel model, String ns, ImportContext context, String dataType, Boolean repeats) at System.Xml.Serialization.XmlReflectionImporter.ImportElement(TypeModel model, XmlRootAttribute root, String defaultNamespace) at System.Xml.Serialization.XmlReflectionImporter.ImportTypeMapping(Type type, XmlRootAttribute root, String defaultNamespace) at System.Xml.Serialization.XmlReflectionImporter.ImportTypeMapping(Type type) at System.Xml.Serialization.XmlSerializer..ctor(Type type, String defaultNamespace) at System.Xml.Serialization.XmlSerializer..ctor(Type type) at MiTekAUS.mi2020Gui.MiPrinterSettings.Save(String name, PrinterSettings printerSettings) in c:\\mi2020gui\\miprintersettings.cs:line 15 Tag: Classes to identify device parameters? Tag: 98583
  - 5
    - How to use interfaces properly... Ok, I have been testing some things and now I have questions about it. I created a dll assembly that contains just one interface (called ITestInterface), which in turn just has one string property called TestName. I built that project and then closed it. Then, I created a windows forms project and added a reference to that assembly (it's named MyInterfaceTest). Now, before I did anything else, I ran the project and a blank form came up. That was as expected. Then I added the "Implements MyInterfaceTest.ITestInterface" line and it added the property code for me. I built the project again and it ran fine. Then I changed the "Copy Local" property on the reference to "false". I ran the project again and it gave me an error: ----------------------- An unhandled exception of type 'System.IO.FileNotFoundException' occurred in Unknown Module. Additional information: File or assembly name MyInterfaceTest, or one of its dependencies, was not found. ----------------------- Ok, so now I'm kind of confused. Does each application that implements an interface have to have its own copy of the dll that contains the interface? I'm asking this mainly because I'm working on building an app that uses a plugin architecture, and I am having trouble figuring out how to set up references that will work during development, but will also let the plugin developer drop his executable and associated files into the main application's plugins folder without breaking it. Can anyone explain how this should be done? Thanks! Tag: Classes to identify device parameters? Tag: 98582
  - 6
    - conn.open asp.net Hi I am converting an asp application to asp.net, and I have an access database, now when I am running the converted asp.net application in a browser, I am getting the following error, I am new in this field, hence need help, thanx in advance [Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.Runtime.InteropServices.COMException: [Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified Source Error: Line 10: db_p = db_UP.GetPASS_CC_1() Line 11: db_dsn = db_UP.getDSN_CC_1() Line 12: conn.Open (db_dsn, db_u, db_p) Line 13: 'response.Write(db_dsn&" "& db_u&" "& db_p & "<br>") Line 14: Tag: Classes to identify device parameters? Tag: 98577
  - 7
    - Re: Revert to v1.1 for an individual third party assembly I meant disable .NET Framework 2.0, not disable .NET Framework. Jon "Jon Davis" <jon@REMOVE.ME.PLEASE.jondavis.net> wrote in message news:... > Is there a way to disable .NET Framework from being used in a third party > app? > > There is a breaking change in v2 that is breaking a third party assembly > that was built around v1.1. > > - Jon > Tag: Classes to identify device parameters? Tag: 98576
  - 8
    - Revert to v1.1 for an individual third party assembly Is there a way to disable .NET Framework from being used in a third party app? There is a breaking change in v2 that is breaking a third party assembly that was built around v1.1. - Jon Tag: Classes to identify device parameters? Tag: 98575
  - 9
    - TlbImp marshals array as single ref When I run TlbImp.exe on my COM dll, the IDL following has an array of longs: [local] HRESULT SomeMethod ([in] short nNumBlocks, [in, size_is(nNumBlocks)] long *alBlocks, [out, retval] long *plRetVal); The output creates this method, with a ref int where the array should be: int SomeMethod (short nNumBlocks, ref int alBlocks); I have also tried using 'long alBlocks[]' instead of the pointer, but that doesn't work either. The [in, size_is(..)] *should* be indicating to TlbImp that it's an array. Can this be fixed (besides declaring the interface myself)? ==================================================== Walter Williams Software Engineer Sawtooth Software, Inc. http://www.sawtoothsoftware.com ---------------------------------------------------- "Do, or do not. There is no try." Tag: Classes to identify device parameters? Tag: 98574
  - 10
    - Ideas: How to rip text from PDF files Hi Guys, My goal is simple, given a pdf file, encrypted or not, i need to rip the text out from there. Just plain text, no formatting needed. Any idea how may I accomplish this in DotNet? Regards, Peter Tag: Classes to identify device parameters? Tag: 98571
  - 11
    - How do I launch a process with parameters I would like to launch a process within .NET (C#) with parameters. I have temporarily gotten around this issue by writing this command to a batch file & launching the batch file without arguments, but would like to launch it directly from .NET. My process looks like something like this: "C:\Program Files\Create File.exe" -c -s 1500 Mb -t 0 "C:\temp folder\File Created.tmp" I got the samples working, such as launching notepad with a file, or launching IE with a URL but the above command did not work. Any help will be greatly appreciated. Tag: Classes to identify device parameters? Tag: 98566
  - 12
    - Untrappable System.Net.Sockets.OverlappedAsyncResult.CompletionPortCallback exception Hi, I've a c# windows service constantly communicating with an ASP.NET web service. After running for sometime, I am getting the following exception at the windows service (client): Object reference not set to an instance of an object. [Stack Trace: at System.Net.HttpWebRequest.ClearRequestForResubmit() at System.Net.HttpWebRequest.DoSubmitRequestProcessing() at System.Net.HttpWebRequest.SetResponse(CoreResponseData coreResponseData) at System.Net.ConnectionReturnResult.SetResponses(ConnectionReturnResult returnResult) at System.Net.Connection.ReadCallback(IAsyncResult asyncResult) at System.Net.Sockets.OverlappedAsyncResult.CompletionPortCallback(UInt32 errorCode, UInt32 numBytes, NativeOverlapped* nativeOverlapped)] Since this exception doesn't occure in any code block, I can only catch it by doing the following: AppDomain currentDomain = AppDomain.CurrentDomain; currentDomain.UnhandledException += new UnhandledExceptionEventHandler(DefaultHandler); In my DefaultHandler, I've the failover code. Even then, the windows service doesn't fully recover. All the static variables (reference types) in the class just loose their referrence. What's going on? Thanks, Ram Tag: Classes to identify device parameters? Tag: 98565
  - 13
    - Asking For Excel I have some VB.Net code which Imports the Excel Object Library. It is asking for Excel 10 but I only have Excel 11 installed on my PC. How can I get the code to ask for Excel 11 instead of Excel 10? Thanks Tag: Classes to identify device parameters? Tag: 98564
  - 14
    - Excel in VB.NET form I need to display Excel data in a Windows form, and I also need to be able to update the data in cells, and allow users to enter data. I added a reference to OWC components in my project and I have a form with an AxSpreadsheet control in it. However, AxSpreadsheet is a Web control and I am running into stumbling blocks. Before I buy Alvin Bruney's book on this topic, I would like to know for certain that I can create a user-editable spreadsheet in a Windows form, and save and retrieve the data in xml or xls files. I don't want to proceed down a blind alley when my alternative is simply to use the Excel application itself. Thanks. Tag: Classes to identify device parameters? Tag: 98561
  - 15
    - Will Framework 2.0 support ... the IrDA assembly that is present in the 1.1 Compact Framework? It is in the Assembly: System.Net.Irda. If so does anyone have any more details? If not will this assembly ever be present in future releases the Standard Framework? Tag: Classes to identify device parameters? Tag: 98554
  - 16
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  - 21
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  - 23
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  - 24
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  - 25
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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

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Re: Classes to identify device parameters? by Mattias

Mattias
Mon Jun 27 02:58:33 CDT 2005

Peter,

>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)...

There's no such class in v1 of the framework. You could get the
information with the GetDriveType Win32 API or with WMI
(System.Management).

Mattias

--
Mattias Sjögren [MVP] mattias @ mvps.org
http://www.msjogren.net/dotnet/ | http://www.dotnetinterop.com
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