All- I have a .Net 2.0 WinForms app. It references a COM DLL provided by MS. The app works just fine on my dev machine but when I create a setup for it, and run the setup on another system, I get an exception when invoking the functionality that calls the DLL. The exception indicates that the...more >>

In C++, what am I doing wrong here? not sure how to get the "ref" for BufferPtr in C++, there are thousands of examples out there for C# and VB.NET, but so few for managed C++. [StructLayout(LayoutKind::Explicit, Size=48)] ref class TIME_OF_DAY_INFO { public: [FieldOffset(0)] unsign...more >>

I have problem whis Windows Media Services 9 Series. I have videostream, which will consist of two streams(512k/bit and 256k/bit).I need to allocate a stream 256k/bit. In SDK is written: Supporting Multiple Bit Rate Files Several versions of the same audio or video content can be stored in ...more >>

>From an asp.net web page I want the user to open the results of a SQL query in Excel, as automatically as possible (ie not having to loop through columns, rows, in code). For this, dataset.writexml works great (got the code from http://forums.devx.com/archive/index.php/t-57273.html ) The ...more >>

Hi gurus, Can anyone tell me please when I really must setup the value of memory that aspnet_wp or w3wp must use in IIS server machine? What I mean is that we have clients that have diferent specificatiosn in their server machines that have IIS to runnning WebApplications. This can chang...more >>

Hi all, I have a problem with the project I am working on. Someone is coding a driver in plain (unmanaged) C++, and it is required to subscribe a callback for certain notifications. This driver is supposed to be used from a managed environment though, so what I want to do is subscribe a man...more >>

Hi, I've written some code to attempt to get the selected text from an HTML document loaded in a running instance of IE. I need to be able to access the frames collection of the IHTMLDocument2 interface so that I can get text from the documents contained in the frames. Here's what I've got:...more >>

Hello, My application fail to start on another computer. The exception is thrown trying to call "InitializeComponent()" as you can see below: System.Runtime.InteropServices.COMException (0x80040154): Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG)) ...more >>

Hi, I need to reproduce the code here using C#/pinvoke: http://blogs.msdn.com/cjacks/archive/2006/10/09/How-to-Determine-if-a-User-is-a-Member-of-the-Administrators-Group-with-UAC-Enabled-on-Windows-Vista.aspx Unfortunately, my attempts aren't panning out - the returned values are off fromw ...more >>

in my windows application my re is to include in an project ...more >>

If there is a better NG for compact framework interop then please let me know. I am having a few issues marshalling structs to unmanaged memory whilst trying to acheive the correct layout. Its a shame that the Pack parameter is not supported in the compact framework. I have a simple struct...more >>

I am getting folllowing error in one of the service components. I have not override base class's (ServicedComponent ) Deactivate function. Also it's library component called by asp.net worker process and I have not changed the default object pool settings. Please advise. Event Type: Error ...more >>

I am new to using .Net interop to access legacy COM server. I keep getting a cast exception when I try to cast between imported interfaces. Here is and example of what I am trying to do and how I thought it was suppose to be done (ie I thought interop import dll would handle casting between int...more >>

Obj = Marshal::GetTypedObjectForIUnknown(pIUnknown, pTargetType); // pTargetType is certain interface type Did GetTypedObjectForIUnknown use QueryInterface to query the desired interface? My intent is using GetTypedObjectForIUnknown to test 2 interfaces can inter-casting. If succeed, wi...more >>