Hi, I would like to register a COM ocx under managed code (C#). I cannot use reg-free way, because the code has to run under Win2K. I cannot find any useful site/code. Thanks for any help. lelez ----------------------------------- http://www.lelez.hu http://www.csitcset.hu ICQ: 17...more >>

I am grabbing Outlook MailItems using the Items[] property on my Outlook inbox. When I iterate through them, I notice that they are not ordered in ReceivedTime or CreationTime order. For example, Items[2].ReceivedTime is April 2005 Items[3].ReceivedTime is May 2005 Items[4].ReceivedTime is ...more >>

I'm trying to use COM Interop for the first time, and I can't quite get it all to work on my server. I have a COM Object that needs to call my .NET dll to encrypt a file. Then that file needs to be written to the web server. When I put the .NET dll in the same directory as my COM dll on my ...more >>

I am launching a .NET windows form from some vb6 app. When I press the keyboard tab button it switches to display the vb window. Any ideas why? I am compiling the .NET form in Visual Studio with the compile for COM flag set to TRUE. haven't used any strong naming. Thanks ...more >>

Hello, I have a .NET application that calls functions in a native DLL. In order to ease deployment, and for simplicity's sake, it occurred to me that the best way to distribute this DLL would be as a resource. So I've added the DLL to the project as an embedded resource, and I've confirmed...more >>

Hi, I need to open the PickIconDialog window (I'm using C#). [DllImport("shell32.dll",CharSet = CharSet.Auto, CallingConvention = CallingConvention.Winapi)] public static extern int PickIconDlg(IntPtr hwndOwner, System.Text.StringBuilder lpstrFile, int nMaxFile, ref int lpdwIconIndex); ...more >>

To people wiser than myself: I'm calling a native dll in C# that takes a frame number and a pointer to an unsigned char to populate with video data. Here's the C++ method Signature: void DirectShowSource::GetFrame(int n, unsigned char* buf) and here is my attempt: [DllImport("vidfram...more >>

Does anybody have the example of how to use getmessage api? I would like to monitor the pump from with in a class or common dialog. Thanks Justin ...more >>

I'm having a problem using an axWebBroswer control on a VB.NET 1.1 Winform. When the form first loads, I'm able to call the .Navigate method with a url and everything seems to work fine, as the correct page is displayed. However, if I attempt to use the .Navigate method at a later time to na...more >>

I have a VB6 app that instantiates a .net DLL class, sinking the events. It never receives the events, however. This very code has been working for almost one year on a number of servers. The problem server is a new box that we're trying to bring up with our applications installed. I get no er...more >>

Hi, Is it allowed to specifiy %windir% in de .reg-file that regasm.exe /codebase /regfile:foo.reg produces? Instead of "CodeBase"="file:///C:/WINDOWS/System32/Concentra.TripleDeal.DLL" I would like "CodeBase"="file:///%windir%/System32/Concentra.TripleDeal.DLL" After manually ...more >>

Hi, It is especially challenging to do interop marshalling with the Win32 API BackupRead, because it returns a byte array that can be interpreted in several different ways. My specific question is how to use the Marshal functions such as PtrToStructure when the unmanaged structure that I...more >>

I have spend ALL DAY on this. I see TONS of references to this error on Google, but NO solution to my problem. The DLLs in questions are all mine and they all work on several machines, but they refuse to work on one machine. I have a COM dll and an interop DLL for it. I have a .net DLL that ...more >>

I need to utilize in managed code some security functions from secur32.dll. To do this, i have to call 'InitSecurityInterface' function, which returns a pointer to a 'SecurityFunctions' struct. This struct have pointers to the secure methods. I've defined: [DllImport("secur32.dll")] ...more >>

I'm trying to interface to InfoZip's Zip32.dll from VB.Net code. The DLL expects a structure with all its input parameters: typedef struct { int argc; // Count of files to zip LPSTR lpszZipFN; // Archive file name char **FNV; // file names to zip...more >>

Putting this all together in one message to escalate this to managed group support using our MS Partner alias Have an ActiveX created in Delphi 7 and need to run it in a service by dynamically creating the controls at runtime with event handling. Using form based apps in any environment th...more >>

Having installed VS2005 pro yesterday (MSDN download version) I am gradually moving my VS2003 stuff over. I am having a problem with IContextMenu3.HandleMenuMsg (called when the Explorer Context Menu is shown) although it worked fine in VS2003. I get an error: System.AccessViolationException...more >>

Hello, I'm trying to call a function from a C++ dll which returns a variant: VARIANT DLLEXPORT ExecuteFunction (LPCSTR); This function (which I can't change) executes a SQL query and returns a single value - whatever the query asks for: integer, string, double etc. My declaratio...more >>

The P/I function ADsBuildVarArrayStr works. When I look at the IL, no heavy Marshal code is done. I even suspect, that a pointer is passed to the array and that the array even not is pinned. But when it comes to passing a string[] array through a struct, it does not work. Are there any secr...more >>

I've come across a bit of a problem since installing the 2.0 framework. I had created a class library using Visual Studio 2003, with one class configured as a COM object. The project was configured to launch a simple Visual Basic 6.0 project which allowed me to create the object and call som...more >>

I'm calling MAPISendMail from my form with the MAPI_DIALOG flag set. However the resulting (modal) Outlook mail message window 'hangs' until such time as I click on a window of another process and click back again. Any ideas? ...more >>

Does Microsoft have a Primary Interop Assembly for shell32.dll (Windows XP - SP2)? If not, does MS suggest that developers create and sign their own PIA for this component? -- Brian R. ...more >>

I have a COM object implementing IFoo and a property get_Property, put_Property... I can get a CLSID representing an object that implements this and other interfaces, then create it with Activator.CreateInstance and cal object.GetType().InvokeMember for any member on that unmanaged COM object, s...more >>

Hi, i just moved my existing Application to VS2005 and .net 2.0. This application is using COM Interop. I don't changed my main method. [STAThread] static void Main(string[] args) { ... } Now with the 2.0 framework the main thread apartment is MTA although I defined it as STA with the at...more >>

Im trying to use the MSProject COM "interop.msproject" but when i create a new object ihave this Error : System.Runtime.InteropServices.COMException: =C9chec de l'ex=E9cution du serveur thanks ...more >>

I have a third party dll (C++) which I need to call from my c# class. I defined [DllImport("The.dll")] public static extern ... for each function that I want to use. The brief API document for the functions states that the return values from these functions can be H_FAIL and H_SUCCESS...more >>