We are hosting the axWebBrowser in a windows form. A web page is loaded that contains a .net user control. If we have set the UIHandler, the browser control hangs on dispose. The last call in the stack is this : system.windows.forms.dll!System.Windows.Forms.Control.ActiveXImpl.SetClientSit...more >>

I am looking for the best way to switch Windows video modes. Here is what I am trying to accomplish: I have an app that need to initially display the same content on 2 monitors hooked to a Windows XP box (mirror of the primary display). At a point in time the application needs to switch the ...more >>

Hello! I have two com interfaces: IAttrList and IOdsUtil. IOdsUtil have function IOdsUtil::GetDefaultFolder([in,out] IAttrList **atl) Both interfaces are imported into .NET producing classes CAttrList and COdsUtil Is it a right way to pass one of interfaces as an argument to method of ...more >>

Hello, I'm trying to invoke the following API's using PInvoke from a C# class, as follows: C++ API (.h) // converts an string to unicode void toUnicode(PJSTR dest, PCZSTR src); // converts unicode to string void fromUnicode(char *dest, PCJSTR src); where.... typedef const JCHAR * PCJS...more >>

I have a .NET component I am trying to expose to COM - specifically code running in an Outlook form. This component has an event that I want to catch from my VBScript. I've tried defining a COM event interface with an event that matches my control's event signature. When I instantiate the cont...more >>

Is there a BackgroundCopyManager.dll created for BITS 2.0 and where could I get it? Thanks, Bill...more >>

I got the fallowoing exception when i try to marshal the c++ structure to C# structure. " System.Runtime.InteropServices.SafeArrayTypeMismatchException: Mismatch has occurred between the runtime type of the array and the sub type recorded in the metadata." C++ structure -----...more >>

Hi, I have a problem in workaround the word application. When i doing something like inserting text,inserting values into table in a word application,which is openend through vb.net.simulateneousely when we open word application manually,document will open using existing instance(which is we ...more >>

I have a COM component on a remote machine. I think, it should be possible to access it using a .NET client and late binding as follows: Type type = Type.GetTypeFromProgId("ACOMobject.Test", "MachineName"); Object objTest = Activator.CreateInstance(type); objTest.foo(); But for some reason...more >>

Are there instructions or special gotta's about creating an Office Addin installable on a PC other than the dev machine. I have an Addin that works find on the dev machine I can run the Setup project to install and uninstall the addin on the dev machine and all works fine. When I move this t...more >>

I have defined an attribute class to describe each property of an interface. Afterwards, I declare a class implementing this interface. 'Attribute Class Declaration <AttributeUsage(AttributeTargets.Property)> _ Public Class IPSPropertyAttribute Inherits Attribute ... End Class ...more >>

Hello folks, I was trying to set some environment variable for a process I create. (The variables are my own, not system). I use SetEnvironmentVaraible() from C# code. In Debug configuration this works fine, but in Release configuration the action fails. The return value is TRUE, and no Ex...more >>

Hi, I am trying to find out where there is a memory leak in our application. I have created a test harness in C# to test this. I'm basically hitting the object (written in c++) really hard by looping through it Here is the code in c#: ################################### for (int i = 0;...more >>

Hello everyone, I have in the native DLL next method defined in header file: VOID _Case(HCASER hCaser,LPSTR pIn,LPSTR pOut); I tried wrote C# wrapper like: [DllImport(@"SlDll32.dll", EntryPoint="_Case", CharSet=CharSet.Ansi, ExactSpelling = true, CallingConventi...more >>

I am attempting to write a C# wrapper to an unmanaged C++ hardware driver and I am running into difficulty returning strings inside a struct. The C++ function takes a pointer to a struct which it fills with data. The function returns ok but the managed code fails with an null reference excepti...more >>

I have a VB.Net Console Application which references an ActiveX DLL I have written in VB6. The problem seems to be that, when I register the ActiveX DLL, it doesn't seem to necessarily put the DLL in the registry in the same place as it was on my development machine. The error states: COM ...more >>

I am attempting to write an application that will interface with a legacy API written in C. In one instance, the legacy API is invoking a call-back and providing a structure that contains an array of enums. The problem is that I cannot get the marshaller to convert the structure without an e...more >>