LinkDemand Error

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- Previous
  - 1
    - Slow performance with garbage collection Just wondering if someone can help me with a problem with garbage collection that I seem to have: I have a client/server system where the clients are experiencing quite long delays because of bad performance on the server. The server uses Windows Server 2003 with the .NET v1.1 Service Pack 1 update. I have used the Performance utility on the server during these bad performance periods and have noticed that there is a lot of time spent in the garbage collection. Does anyone know why this might be? *** More detail: The nature of our system involves a lot of large objects (85KB+) being used and the large object heap size reflects this. There also seems to be a lot of garbage collection happening in the large object heap which I feel maybe our problem. If the average size of one of our objects is larger than the Generation 2 threshold (which it could easily be if the threshold is around 10MB) then as soon as our object is on the heap then it will result in a garbage collection. This means that everytime one of our large objects goes on the heap, there is a corresponding garbage collection (this is just guess work though)...that would make an awful lot of garbage collections going on. I have read up about the issue with mscorwks.dll being used for garbage collection on a multiprocessor server. Typing in "tasklist /m mscorwks.dll" brings a list of our applications running under this DLL. The server I have is dual proccesor, thus I installed the .NET v1.1. SP1 to update the config settings so mscorsvr.dll would be used instead and enable the multiprocessor garbage collection. This has not made any noticeable difference with performance. However, typing in the above command still indicated our applications were running under the mscorwks.dll. I have also tried the gcConcurrent setting as well and this has not made any difference either. *** It would be much appreciated if anyone can help with this problem? Thanks Milan Tag: LinkDemand Error Tag: 89648
  - 2
    - Update from VS.NET 2002 to VS.NET 2003 Hello, Is there anyway one can obtain the upgrade CD from VS.NET 2002 to VS.NET 2003. I bought the Visual Studio Enterprise Architect 2002 when it came out and missed out on the opportunity to buy an update to VS.NET 2003 when it was being offered on the Microsoft Web Site. Where can I find the update now? Any help would be appreciated. I want to use the .NET Framework 1.1 and above for my development and would also like to develop apps for PPC2003 but cannot do either with VS.NET 2002. ----------------------------------------- Hallo, Ich möchte gerne das Update für VS.NET 2002 auf VS.NET 2003. Wo finde ich das? Ich möchte Apps für PPC2003 entwickeln und auch unter .NET Framework 1.1 aber leider ist es mit VS.NET 2002 nicht möglich. Bitte um mehr Info. -- Danke & Regards, Sami [Remove Numbers from e-mail address to use it] Tag: LinkDemand Error Tag: 89638
  - 3
    - An unhandled exception of type 'System.ArithmeticException' An unhandled exception of type 'System.ArithmeticException' occurred in system.drawing.dll Additional information: Overflow or underflow in the arithmetic operation. ex of line lines where it happens (diff projects for each one): -Me.TextBox1 = New System.Windows.Forms.TextBox() -Me.tbeepn = New System.Windows.Forms.TextBox() -Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.ProgressBar1}) *and yes, the 1st line of code on a blank form! -Public Class Form1 This is the error i keep on receiving whenever i try and run an app in VB.NET. Even i place a single button on the form and on running it through this exception. To remove this i have reinstall visual.NET even have reinstall the windows XP. I used visual studio .NET 2003 enterprize edition. Tag: LinkDemand Error Tag: 89636
  - 4
    - Deserialize an unknown class to show it in a property grid. Hi group I read XML data which i sometime can't know their type. But i have to show the property in a property grid. for example i get the following xml : <UnknownClass><Prop1>value1</Prop1><Prop2>value2</Prop2><Prop3>value3</Prop3 ></UnknownClass> I can't have the declaration of UnknownClass, so i can't cast it in a known type at the deserialization time. So i can't create an instance of the object and can't show its properties. But i am quite sure it is possible to create some object using the XML definition, and dynamically re-create a basic structure that match the properties, in order to juste show it in the property grid. but how can i do that or workaroud it ? i have googled for that and can't find any sample to deserialize unknown data. Please help. ROM Tag: LinkDemand Error Tag: 89635
  - 5
    - threading Very simple question. I need to pass a parameter to a newly created thread. How can I accomplish it. I'm sure it must be very easy - something like it was in Win32 CreateThread had 1 4B parameter. Tag: LinkDemand Error Tag: 89628
  - 6
    - List enumeration exception under weird circumstances. Hi, I hv foll. code: foreach(object obj in myChkedlistbox.CheckedItems) { Messagebox.show(obj.tostring()); } It gives me the foll exception: "The list that this enumerator is bound to has been modified. An enumerator can only be used if the list does not change." I dont see where am I changing contents of myChkedlistbox list. What is more surprising, at the same time the foll. (similar) code just works fine. for (int i=0; i< dynColumns.CheckedItems.Count;i++) { object itemChecked = dynColumns.CheckedItems[i]; MessageBox.Show(itemChecked.ToString()); } One more confusing thing is that the exception doesnt come on each run. Once in a while the exception pops up and then after that its v.consistent to the point that I reduce my code to: foreach(object obj in myChkedlistbox.CheckedItems) {} //Yes empty loop. & still throws the exception..whoa !! However If I do a clean-rebuild it goes away and just works :-? until some mysterios next time when it decides to revisit again. Tag: LinkDemand Error Tag: 89626
  - 7
    - URGENT: Why the impersonation work in one case and not the other? I have two computers, client and server. The client is running Windows 2000 Professional and is in a workgroup, say "MyWorkgroup". The server is running Windows Server 2003 Standard Edition and is in a domain, say "MyDomain". What I need is to logon to the client as some generic local administrator user and then access resources (e.g. share folder, SQL Server using Windows Authentication, etc.) on the server. Here is what I did: I create another local administrator user (user A) with on the client with the same username and password as a domain user (user B) on the server. I then access resources on the server by first logging on to the client as the generic administrator user and then impersonating to user A and use user A's credentials to access the server. I have two sets of such systems in two environments. This works fine in one environment, but not the other. In the environment that works fine, when accessing the server, user A is automatically viewed as the domain user B. In the environment that fails, user A is not recognized as a domain user on the server, i.e. it's not automatically mapped to user B. There're only 2 differences between the two environments: Environemnt 1: Server is domain controller. There's no firewall between the server and the client. Environment 2: Server is a member server of a domain, the domain controller is another computer residing somewhere else. There's a firewall between the server and the client. I don't think the problem is with the firewall, because I can get to the server from the client successfully (I can ping), and I also did see the logon request coming over to the server from the client. It's just that the logon request fails (in environemnt) 2 because the client user (user A) is not mapped to the domain user (user B). In the EventViewer (I have auditing on), it reports logon failure because user doesn't exist (error code 0xC0000064). Any idea on why it fails in environemnt 2? Also any idea on how to tell the Windows server to look for the username in the server's domain rather than just looking for it in the local user list on the server? That username is a domain user on the server, not a local user. Thank you very much. Tag: LinkDemand Error Tag: 89624
  - 8
    - How to impersonate a remote domain user Basically I have two computers, client and server. The client is running Windows 2000 Professional and is in a workgroup, say "MyWorkgroup". The server is running Windows Server 2003 Standard Edition and is in a domain, say "MyDomain". From the client, I logon as a local user with administrator privileges, and I then want to impersonate a domain user on the server to access resources on the server. How can I do this? Tag: LinkDemand Error Tag: 89621
  - 9
    - .NET equivalent to Java History.Back() I have a System.Web.UI.WebControls.Button on a Web Form using VB .NET (lang. no matter here). In the Click event (e.g. Button1_Click) I do various things (db updates, etc.) and after all is done I want to go the user's previous URL (just like history.back(-1)). Specifically, I want the code that accomplishes the "back" to actually be part (at the end) of the Button1_Click subroutine. Is this possible? Does this make sense? Tag: LinkDemand Error Tag: 89612
  - 10
    - .NET equivalent to Java History.Back() I have a System.Web.UI.WebControls.Button on a Web Form. In the Click event (e.g. Button1_Click) I do various things (db updates, etc.) and after all is done I want to go the user's previous URL (just like history.back(-1)). Specifically, I want to code this "back" right in the Button1_Click subroutine. Is this possible? Does this make sense? Tag: LinkDemand Error Tag: 89611
  - 11
    - Information about the class that created a thread Hi, Is it possible to get the class/object name that invoked a thread, from another process. From one process I could get another processes thread information, but how do I get the method that created it. Thx, Johann Tag: LinkDemand Error Tag: 89610
  - 12
    - Dynamic Assembly Hello, I have Assembly (A) which dynamically loads Asembly (B). Both Assemblies are located in A's bin dir. If I query, AppDomain.CurrentDomain.GetAssemblies Returns an unloaded/unreferenced assembly (B) why? Assembly A does not refernce any types in B. Is there a way to prevent this assembly from loading on startup? Tag: LinkDemand Error Tag: 89608
  - 13
    - Switch Statement in CodeDom Any has a piece of code or give me any pointers on how to generate a switch statement in c#, would be great. Right now I use a lot of CodeSnippetStatements to generate my code. But was curious if there is any other better way of doing it. Tag: LinkDemand Error Tag: 89601
  - 14
    - .NET Framework 1.1 I have a client which was 98 and could not install .NEt. He has upgraded to XP Home and still cannot install .NET 1.1. We removed the registry entries and the directory structure and renamed the file mscoree.dll in system folder and still no luck. All I could find on the errors we were getting was to rename the file. But we still cannot load .Net 1.1. We have turned off the anti-virus also with no luck. can anyone help with this I need a way to install .Net to a XP Home client and nothing is working. Any help would be very much appreciated. Dave Tag: LinkDemand Error Tag: 89600
  - 15
    - writing own SoapClient object I need to create a C# dynamic soap client in a hurry. I am going to be using it in a web page, using javascript to access it. I was using webservice.htc for this, but dew to some live configuration issues (Big ip, https) my boss has come to believe it is not reliable. What I am having a little trouble with is the dynamic soap call itself. I have only manage to read about the "WSDLReader" and I am already confused, and time is running out. Does anyone know of any samples on the web to make a dynamic soap call? A method that accepts a web address, method, and parameters would be perfect. For helping me I will erect a giant bunny statue in your name a sacrifice 3 carets upon it's alter. Tag: LinkDemand Error Tag: 89599
  - 16
    - Embedded Control in IE Visual Styles not working. Hello, I have an embedded control in IE that works however, I cannot seem to get XP style support. As a standalone app, the control contains the XP style motif. I do the Application.EnableVisualStyles() & Application.DoEvents() call in the code for that to work. The problem happens when I run the control in an object tag in IE. I have tried several things but they don't work such as embedding a manifest file that enables xp style support as a manifest file. The only way it works is if I put a manifest file where iexplore.exe resides. Even though that works and my application has XP style support, it is not what i want for my application. Is there any other way to enable XP style support on an embedded component in IE? Thanks, Marco Tag: LinkDemand Error Tag: 89595
  - 17
    - build / design time errors? Hi, Is there any way to control the raising of "build" errors? For example - is there any possible way of, for example, raising a build error if the object user tries to call method(x) before having set property y ? Thanks Tag: LinkDemand Error Tag: 89591
  - 18
    - Why should I install the .NET Framework v1.0 SP3 Why should I install the .NET Framework v1.0 SP3 if v1.1 SP1 is allready present? Tag: LinkDemand Error Tag: 89590
  - 19
    - HELP: Accesing a remote object using a PropertyGrid. Hi everyone, I'm trying to use the PropertyGrid with a remote object (MarshallByRef). However, because several system types are not serializable (like System.ComponentModel.AttributeCollection), the application throws an exception. Is there ANY workarround for this?? I would appreciate any help on this subject, Thanks in advance, Hugo Ferreira Tag: LinkDemand Error Tag: 89587
  - 20
    - XPath query with namespace scope i got a xml file which is using a namespace declaration with no prefix, as you can see here ---- <?xml version="1.0" encoding="utf-8"?> <configuration xmlns="http://www.microsoft.com/schema/EnterpriseInstrumentation/v1/EnterpriseInstrumentation.xsd"> <instrumentedApp name="SimpleInstrumentation" mode="released" /> ---- when i use the following xpath expression "/configuration/instrumentedApp/@name" in order to get the atributte named "name" of the element named "instrumentedApp", using the following code ---- XmlReader objXmlReader = new XmlTextReader(objFileStream); System.Xml.XPath.XPathDocument objXPathDocument = new XPathDocument(objXmlReader); System.Xml.XPath.XPathNavigator objXPathNavigator = objXPathDocument.CreateNavigator(); string result = string.Empty; XPathNodeIterator objXPathNodeIterator = objXPathNavigator.Select("/configuration/instrumentedApp/@name"); if (objXPathNodeIterator.MoveNext()) result = objXPathNodeIterator.Current.Value.Trim(); ---- it simple does not work, because i have to indicate the namespace scope of the element. Â¿how can i do that? Tag: LinkDemand Error Tag: 89586
  - 21
    - Manually Firing off Timer.ElapsedEvent Hello, I've got timers launching every 3 minutes to run a somewhat lengthy process etc... and that all works fine. What I'd like is to have the timer fire immediately after starting then at <X> intervals. With System.Timers.Timer, is there a way I can manually fire off the event. Or will I just have to manually create a thread and fire the event the first time? Seems like its pretty common behavior to want a timer to fire once started then fire at x intervals. Thanks in advance Weston Weems Tag: LinkDemand Error Tag: 89584
  - 22
    - Securing DLLs, Running App and AppDomain Hi: I want to create a DLL that only can be used from applications signed with my strong key file. I have checked the StrongNameIdentityPermissionAttribute but it does not work for me. So I did the next logic: When someone access the code in the DLL, the class contained check the running application friendly name, find the application executable, obtain its public key token and compare it with the self public key token, if it is the same continue with the execution. But the problem is i found applications can change its friendly name... how can I be sure the application.exe that is running? Or there is another way to secure who uses my dll file? Tag: LinkDemand Error Tag: 89583
  - 23
    - windows serive message loop needed ? hi all, im kind of designin a windows service to handle TAPI calls and when the service starts it created a TAPI class instance and aquire event callbacks from TAPI, my question is if the old message loop and execte() stuff is needed or not ? Tag: LinkDemand Error Tag: 89580
  - 24
    - Message Loops and Application.Run() My code creates a new thread and in that thread I call System.Windows.Forms.Application.Run() to start an application message loop. ( I also have a message filter added on that thread to handle incoming messages.) Now, how do I actually send messages to the message loop since there's no window defined on that thread? There must be a way since the MSDN doc for Application.Run() states: "Begins running a standard application message loop on the current thread, without a form." I looked at the System.Messaging namespace but I'm not even sure if MSMQ is the same thing as an Application Message loop. Any help appreciated. Thanks! Steve Tag: LinkDemand Error Tag: 89574
  - 25
    - how to solve prblem how to solve this problem: http://support.microsoft.com/default.aspx?scid=kb;en-us;329247 Tag: LinkDemand Error Tag: 89573
- Next
  - 1
    - Events over LAN Hi, I'm developing a client / Server application that mainly comunicates via a shared database and OPC server via DCOM. But I need to fire events when a update is performed on the client or server. If on of the clients is updating it should send an event to the server, then the server would send events to all clients. The events don't need to contain data. What is the best way to do this when IIS and webservices are not an option ? Tanks Totto Tag: LinkDemand Error Tag: 89567
  - 2
    - Software shut down my PC, user authorization Hi group, I have a Test Bench, in a workshop. It is 'embedded' with Win2000. It have to be automatically shut down at 05h00 PM. It can be use by different user wich have 3 profiles (user, user with power, admin). I want to be able to shut down the PC at 5h. - independantly of the user or user profile - even if nobody is logged in (during the "enter your name and password" screen of windows) - even if the Test Bench App is not running. - the PC have to be shut down properly (as if the user do a start>Shut down) I have no idea i need some links, or pists. Full working solution are also accepted :) thank you all for your help. ROM www.maintag.com Tag: LinkDemand Error Tag: 89564
  - 3
    - TreeView Question I am deriving my own TreeView control from the 1.0 Framework TreeView. I have overriden the OnAfterSelect method and want to respond to selection of a node. The issue I am having is that if the user selects a node and then clicks the node again, no OnAfterSelect event is triggered. I figure this is the way it is supposed to work but would like to work around this. Has anybody had this issue and found a way to work around it? I thought I could monitor OnMouseUp events and see if the left mouse button is clicked on the selected node and then call OnAfterSelect from with in OnMouseUp. This creates a new issue of when you actually do select another node, now OnAfterSelect gets called twice (once for the select and once for the mouse up event). Oh and in case your wondering, I'm pretty sure the OnAfterSelect event is fired before the OnMouseUp event. A snipet of my code is shown below: protected override void OnAfterSelect(TreeViewEventArgs tvea) { base.OnAfterSelect(tvea); ... do really cool stuff when node is selected! ... } protected override void OnMouseUp(MouseEventArgs mea) { base.OnMouseUp(mea); if (mea.Button == MouseButtons.Left) { TreeNode node = GetNodeAt(mea.X, mea.Y); if (node == this.SelectedNode) { OnAfterSelect(new TreeViewEventArgs(this.SelectedNode)); } } } Tag: LinkDemand Error Tag: 89563
  - 4
    - Usage of .net class lib in a windows service Hi, I'm developing a windows service with c#. Now I'm trying to use a .net class library (dll) to include. For this I added the dll to my references. But unfortunately if i run the service i got always this error: File or assembly name "myClassLibrary", or one of its dependencies, was not found. Does someone knows where i have to place my dll that it could be found by my windows service. I already tryied to place it in the System32 folder and also in the same folder as the windows service is. But without any success. :( Thank you for your help! Best Regards, Michael ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! >100,000 Newsgroups ---= East/West-Coast Server Farms - Total Privacy via Encryption =--- Tag: LinkDemand Error Tag: 89562
  - 5
    - Apparent issues while using System.DateTime In my application I store all transaction dates in UTC in the database. At the time of displaying the transactions in the UI I convert the date to local date time and then display the same to the user. I do the following: string LocalDtTimeString = Convert.ToString(DtClass.ConvertToLocalDateTime(System.DateTime.Parse(strDate))); where strDate is the string representation of the date fetched from the database. and the DtClass method implementation is: public class DtClass { : : public static DateTime ConvertToLocalDateTime(DateTime UTCDateTime) { return UTCDateTime.ToLocalTime(); } : : } Scenario is: My UI is in the context of PST. I perform a transaction at 4:30 PM (PST). Database stores the date as next day morning 12:30 AM (UTC). Now I changed the Time Zone of my machine from PST (GMT - 8) to EST (GMT - 5). I run my UI and see that it shows the transaction time as 10:30 PM (EST) instead of showing it as 7:30 PM (EST). This is happening on a test machine. When I wrote this code and tested it on the development machine, it was correctly converting times and giving respective local times. Is there anything that I need to change in the code that will make it work consistently on all machines? I looked around regarding this issue on the internet and read some material, which talks about behavior differences based on the culture notably with DateTime.Parse and DateTime.ToString. I don't understand why it subtracts 2 hours instead of 5... I would really appreciate your help... Thank you... -Avinash Tag: LinkDemand Error Tag: 89550
  - 6
    - Help: Wrong build assembly file caused BadImageFormatException I have a solution with multi projects (VB.Net), but sometimes the build output of one project get a wrong file which caused BadImageFormatException at run time. When you open the wrong file with ildasm, you can find that same class appears more than once. My question is: what's wrong with my projects? How can I solve this problem because now there is another project starting to build wrong output too. Thanks in advance! BTW: If I post in wrong place, please point me the correct one. Henry Tag: LinkDemand Error Tag: 89549
  - 7
    - Array.Sort? Can someone explain to me (as something of a .NET layman) why the Sort() method of System.Array is static? Is it because it's changing the array you're sorting? Is there some limitation where if it was an instance method, it wouldn't be able to reorder the array? Just curious! Cheers, Matt Tag: LinkDemand Error Tag: 89548
  - 8
    - Overflow or Underflow in the arithmetic operation I have wrote a program using vb.net v. 2002 and this program will send print out to a printer Xerox Phaser 3120 model. My program is installed on a Windows 98 client. My problem is when I try to send the print out to that printer, I 'll get this error message "Overflow or Underflow in the arithmetic operation" and error print out will be produced (printout with this error message: PCL6 ERROR - FALSE POSITION : 0x50fe58 (5307992) SYSTEM : WSIM/xl_pa_sim LINE : 249 VERSION : QPDL 1.14 09-28-2002 How can I solve this problem ? Thank you, Chin Tag: LinkDemand Error Tag: 89547
  - 9
    - .NET Framework v1.1 SP1 locks PC up... I ran the Windows Update in which it offered v1.1 SP1 of the framework. I installed it and rebooted as required. When I came back into my pc, the desktop appears frozen (I can't even bring up Task Manager). The bizarre part of this problem, if I wait 15-20 minutes my PC will come back to life and work as "normal". I've done a google search and found several similar reported problems after installing v1.1 SP1. Anyone hear had or having this same problem?? What is very strange is that v1.1. SP1 doesn't show up in Add/Remove Programs? thanks, Rob. Tag: LinkDemand Error Tag: 89542
  - 10
    - Connected Status on Sockets I have created a socket application in C++.NET that connects in non-blocking mode. All my previous apps of this kind have used blocking mode at the connection, but in this case I did not want the app to wait if the server was not available. In the course of doing this, I discovered after several hours of frustration that the Connected property of the socket is not set in non-blocking mode even after the connection is completed. Maybe this is documented someplace, but I could not find it. Is this behavior to be expected or have I got an error someplace else? I got around this by using Poll instead to check for the connect status, but I would still like to know why Connected is not working. Thanks, Bill Tag: LinkDemand Error Tag: 89536
  - 11
    - Postback form .NET bug I am having a problem that I swore I read about a long time ago and it was a .NET service-pack/hotfix bug. The problem right now is that whenever I try to postback on form, it simply does nothing. I distinctly remember the issue being fixed by a hotfix, but I can't remember which one. I can't seem to find anything on google either. Anyone remember this or have a link to a KB article? I think it had something to do with the aspnet_client files directory and where it was stored. Tag: LinkDemand Error Tag: 89534
  - 12
    - How can I know if I am in a Service or Application? I have a c# component that can be used in various executables. I need a way in the code of this component to determine if the executable that loaded it is a Windows Service -or- a Console/Windows application? i.e. within the code of this component how can I determine if the process that loaded it is a Service or App? I am looking for a C# sample.... thanks! Tag: LinkDemand Error Tag: 89530
  - 13
    - Errors from Socket Functions I am using C++.NET to build an application using sockets. I am connecting to multiple servers, some of which may not always be available. I am setting blocking off before connecting and using the poll command to detect when the connection is complete. This works fine, but if there is an error, like connection refused, I can't get the speicfic error. In the docs it says to use GetLastWin32Error, but that always returns zero. In my past experience with the function, I found that I had to use the DLLImport function to activate the specifc API call. I feel that I must have to do something similar in this case, but I don't know how to compose the DLLImprt to provide this functionaltiy to the socket functions. Please let me know if I am going down the right road, and what I need to do to make this work. Thanks, Bill Tag: LinkDemand Error Tag: 89527
  - 14
    - SP2 & "The Publisher could not be verified. Are you sure you want to run this software?" Hello. Our company has created a .Net application which the user starts by executing via a URL (i.e., http://someserver/application.exe). On some machines running Windows XP SP2, the user will see a dialog containing the message "The Publisher could not be verified. Are you sure you want to run this software." This does not happen on most machines running SP2, but it does occur on a couple. And yet, the Security settings on the machines where it does occur seems to be the same as on the machines where it doesn't happen. Can anyone tell me how to turn this off? Thanks. Tag: LinkDemand Error Tag: 89524
  - 15
    - hOW TO DO THAT IN .NET... FRAMEWORK? I have wave files being recorded for interactive voice enabled application. Currently I have more than 1000 wave files implemented in the application. Since I have recorded using regular desktop PC the quality of the sound is not good. Also the volume levels in each of the wave files are different. So what is happening is when I play more than one file at time, end user will hear some of the wave file in one pitch, some of them with different volume level making it an unpleasant experience for the end user. Is there any way using .Net application I can redit these wave file to bring atleast volume level of these files to the same. Do I have understood the file system where exactly the volume level is stored in the wave file? Your reply is highly appreciated. Douz Tag: LinkDemand Error Tag: 89520
  - 16
    - MarshalAsAttribute() Good Day and Happy New Year to all of you! I was wondering if we should trust the auto-marshalling done by the CLR or not ? i mean this works very fine : '*** <DllImport("kernel32.dll", CharSet:=CharSet.Auto, SetLastError:=True)> _ Private Shared Function GetPrivateProfileString( _ ByVal lpAppName As String, _ ByVal lpKeyName As String, _ ByVal lpDefault As String, _ ByVal lpReturnedString As StringBuilder, _ ByVal nSize As Int32, _ ByVal lpFileName As String) As Int32 ' End Function '*** is there any advantage to hardcode the marshaling type like this (except for the fact that we got self-documented code) ? '*** <DllImport("kernel32.dll", CharSet:=CharSet.Auto, SetLastError:=True)> _ Private Shared Function GetPrivateProfileString( _ <MarshalAs(UnmanagedType.LPTStr)> ByVal lpAppName As String, _ <MarshalAs(UnmanagedType.LPTStr)> ByVal lpKeyName As String, _ <MarshalAs(UnmanagedType.LPTStr)> ByVal lpDefault As String, _ <MarshalAs(UnmanagedType.LPTStr)> ByVal lpReturnedString As StringBuilder, _ <MarshalAs(UnmanagedType.U2)> ByVal nSize As Int32, _ <MarshalAs(UnmanagedType.LPTStr)> ByVal lpFileName As String) As Int32 ' End Function '*** also is there any garantee that the defaults auto-marshalling made by the CLR changes over the next versions and makes our actual non-explicitly-marshalled API declaration crash in the future ? thanks a lot ! -- Best Regards Yanick Tag: LinkDemand Error Tag: 89517
  - 17
    - Bug in reflection? Is there a bug in reflection as follows?: If I have a method in a class [method:Obsolete] public ReturnType RandomMethod() { // ... } and using reflection I get the MethodInfo for this method then call MethodInfo.ReturnTypeCustomAttributes.GetCustomAttributes(false) to get the custom attribute object list for the *return* type, the returned array contains the *method* custom attribute object ObsoleteAttribute, whereas it should actually be an empty array. If I modify the method as follows (random example for demonstration) [method:Obsolete] [return:XmlIgnore] public ReturnType RandomMethod() { // ... } then I correctly get the return type custom attribute array consisting of one object, namely the XmlIgnoreAttribute. Tag: LinkDemand Error Tag: 89509
  - 18
    - Validation Expression Can someone help me with a validation to check for invalid characters in a filename ? Tag: LinkDemand Error Tag: 89507
  - 19
    - Required fields, pointers and VB.net Hi, Given a set of objects like the following I have two questions - firstly is the technique used below for initialising what are effectively constants in Sub New() correct? Is there a "better" way of doing this? Secondly, I know that the code below for Validate() , requiredProperties etc. will never work - you can't put a reference to nothing into a collection. How could I effect this - or similar functionality? What I really want to be able to do is to put a bunch of pointers into an array and check in Validate() whether they point to an instantiated object... (The idea here being that I can abstract the logic for validating common objects like these into a base class.) Thanks, Nick Class Animal Public MaxAge as int Public TypeDescription as string Public RequiredProperties as Collection Public Sub Validate() for each Obj as Object in RequiredProperties if Obj is nothing then : throw new exception("Required property not set :" & obj.tostring() next Obj End Sub End Class Class Dog : inherits Animal Public sub new() TypeDescription = "Dog's are a man's best friend" maxage = "14" end sub Public CollarSize as integer End Class Class Cat : inherits Animal Public Sub New() TypeDescription = "Nasty animals - not even good for eating" MaxAge = "18" RequiredProperties.add(HasStupidBellAroundNeck) end sub Public HasStupidBellAroundNeck as boolean End Class Tag: LinkDemand Error Tag: 89500
  - 20
    - Crystal Reports for .NET (VS 2003) limitations Hi All, I have been using Crystal Reports for .NET that ships with VS 2003 to develop some reports that I plan to deploy as part of a web application. I want to find out the limitations of this version of Crystal Reports. I did read somewhere that it is not scalable. But, is there a concurrent user limit? And, is that applicable in a web scenario where irrespective of who is logged in the process accessing the report is same. TIA Tag: LinkDemand Error Tag: 89499
  - 21
    - VB Studio 2005 and data access? I'm using VS Studio 2005 beta with VB.NET. The beta doesn't allow accessing data sources. I'm not sure what other limitations there may be. It seems VS Studio 2003 .NET is the latest version. I've found the Pro version on eBay to be just under $100. Is this a good price? Also, will I "only" gain data source access with the paid version? What are some differences in the 2005 and 2003 versions? Thanks, Brett Tag: LinkDemand Error Tag: 89498
  - 22
    - Can anyone provide an example of how to write/install an .NET "applet" Folks: I presume it's possible to write a browser-hosted .NET "applet" much like you can write a J*va applet. To get started, it would be nice to see some sort of "hello world" application, and sample <OBJECT> tag to see how to get it all together. Can anyone point me to the right place? -- Skip Tag: LinkDemand Error Tag: 89497
  - 23
    - Threadpool and thread priority question First question: I have read that you cannot change the thread priority of a thread pool thread. They always run at normal. Is this true? Second question: If I manage my own thread pool of thread objects, must the thread priority be set before calling thread.start? Can the priority be changed on the fly while the thread is running with thread.currentthread.priority? Thanks Tag: LinkDemand Error Tag: 89496
  - 24
    - Repost: Silent install of .Net Framework I am trying to install the .Net framework 1.1 without seeing any GUI and specifically not seeing the licensing agreement. I am doing: dotnetfx /q:a It still asks me to agree to the licensing agreement. Is it possible to install the framework silently and if so, what is the command line? Thanks. STom Tag: LinkDemand Error Tag: 89493
  - 25
    - Microsoft Internet Controls: .net replacement ? I am using Microsoft Internet Controls (com dll) to open up a web browser with the address bar hidden and maximised. Is there a way I can do this with the .net framework ? Thanks, Craig Tag: LinkDemand Error Tag: 89485

Hello,

I have a class that implements the interface IMessageFilter. When I run
FxCop on this class the following error appears:
The virtual method IMessageFilter.PreFilterMessage(Message&):Boolean
defined by type 'System.Windows.Forms. IMessageFilter' and its override
MessageFilter.PreFilterMessage(Message&):Boolean do not have the same
LinkDemand status. Add a LinkDemand where required.

I have placed the folloing code:
[CustomPermissionAttribute(SecurityAction.LinkDemand)] but still have
the same error. I tried with the
[CustomPermissionAttribute(SecurityAction.LinkDemand),
Unrestricted=true] and also with Unrestricted=false but nothing, same
error.

Can someone tell me what I do wrong.

Thank you.

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Re: LinkDemand Error by Nicole

Nicole
Fri Jan 07 10:26:08 CST 2005

Answered in microsoft.public.dotnet.security.

"Cristian Anca" <cristi.anca@go.ro> wrote in message
news:eNXef8M9EHA.2540@TK2MSFTNGP09.phx.gbl...
> Hello,
>
> I have a class that implements the interface IMessageFilter. When I run
> FxCop on this class the following error appears:
> The virtual method IMessageFilter.PreFilterMessage(Message&):Boolean
> defined by type 'System.Windows.Forms. IMessageFilter' and its override
> MessageFilter.PreFilterMessage(Message&):Boolean do not have the same
> LinkDemand status. Add a LinkDemand where required.
>
> I have placed the folloing code:
> [CustomPermissionAttribute(SecurityAction.LinkDemand)] but still have
> the same error. I tried with the
> [CustomPermissionAttribute(SecurityAction.LinkDemand),
> Unrestricted=true] and also with Unrestricted=false but nothing, same
> error.
>
> Can someone tell me what I do wrong.
>
> Thank you.

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RE: LinkDemand Error by Juliette

Juliette
Tue May 08 16:59:45 CDT 2007

tes

Posted via DevelopmentNow.com Group
http://www.developmentnow.com

Top