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all groups > dotnet interop > june 2004 > threads for june 29 - 30, 2004

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Calling a VB.NET com+ component from a vb 6.0 com+ component
Posted by Kent at 6/30/2004 6:28:02 PM
Need help!!! This works on my development machine (of course). I have 2 com+ components installed on a win2k server. 1 is a vb 6.0 dll and 1 is a vb.net dll. Here is the scenerio: I installed both on the server by exporting .MSI packages from my development machine and running the package on...more >>

delegate for C library callback function with retval param
Posted by Rua Haszard Morris at 6/30/2004 4:02:01 PM
I'm trying to use a callback with the following signature from C# code. DWORD CALLBACK YourStreamProc( HSTREAM handle, void *buffer, DWORD length, DWORD user ); This callback is invoked from a library (in C; the library is BASS www.un4seen.com). The buffer parameter poin...more >>

Remoted .NET object and COM Interop : QueryInterface needed?
Posted by Eric St-Onge at 6/30/2004 10:53:07 AM
Hi, We are using .NET MarshalByRef remoted object that we use in a COM Interop scenario. When we try to access a member of the remoted object from COM returned by a remoting method call, we get the following error: <VSNET Debugger runtime error> "Run-Time check failure #0 : The value of E...more >>

Interface inheritance when using .NET assembly through COM Interop
Posted by Eric St-Onge at 6/30/2004 10:52:27 AM
Hi, We have .NET dlls containing interfaces that we want to use from COM. Each interface has a Guid Attribute specifying its Interface ID. We use regasm in order to generate the tlb and then use the DLL as COM #import statement in a C++ project . For some reason, when the tlb is generated, ...more >>

Delegate Problem.
Posted by gaurav_bamania NO[at]SPAM yahoo.co.uk at 6/30/2004 4:32:27 AM
Dear all, I am using a Delegate to callback from a C dll which takes in input a function pointer. The Delegate is called back and the struct is filled properly, but just after the delegate function finishes, the application crashes. "Memory cannot be written" The application referenced memor...more >>

Office XP PIAs are they badly built or am I doing something wrong?
Posted by Soulman at 6/30/2004 3:44:01 AM
I've been having all sorts of trouble with automating Office XP from .NET, the PIAs just seem to be unusable! I just hope that it’s just that I’m doing something silly, please could someone point out to me! I’ve had problems trying to make calls as advertised in documentation (see my post â€...more >>

Calling C# COM from ASP script code
Posted by Patrick Ruhnow at 6/29/2004 2:48:23 PM
Hi, i have a managed COM component with an array as parameter like this: public byte[] ProcessPdfDocument(string reportPath, string identifier, string boType, string userName, bool storeDocument, string[] parameters) Now i want to call this method out of an ASP Page (JScript) : var bo = ...more >>

OWCMDX: No such interface supported
Posted by ann_srikar NO[at]SPAM hotmail.com at 6/29/2004 8:33:29 AM
I am trying to use the OWCMDX.dll (an unsupported DLL that ships with SQL Server 2000) in order to assign MDX queries directly to PivotTables (Microsoft XP Office Web Components). I imported the dll into a .NET Windows Forms application using Visual Studio's Interop support. When I attempt to ex...more >>




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