This question is probably already out there, but there's none I could find
for my scenario.
My C++ code has: CFunction(const char* data);
My C# code references C++ dll and needs to call this function. What data

Looking for help with non-COM C++ interfaces implementation. I can’t
find any reference on how to implement / use non-COM C++ interfaces in C#.
I have an application that uses COM interfaces from one of the Microsoft
services and have no problems using those. However, there are ...

I'm getting the following messages while trying to open a .tlb file I'm
generating from VS2005...
Msg1:
MkParseDisplayName(...

I'm trying to print out a RichTextBox using MS' sample code, but when I send
the message to print out the control, it's supposed to update the internal
.rc (the rectangle with the drawing bounds) with the dimensions that the
draw operation actually took.  Has anyone tried this ...

Hi all,  below is most of my code for my COM InterOp object (For those following previous posts - I'm not using Inheritance any longer).
My class Logging is implementing ILogging and exposing LogToFile() and LogToScreen().  In the VB6 project the properties are showing up under ...

I'm using Microsoft Excel Object 11.0
(Microsoft.Office.Interop.Excel)
to open excel from my web application and set few cells values before
displaying it to users.

I've got a DLL function that return a void * pointer very similar to
malloc(), and I need to cast it to a managed type.  For this example, I'd be
happy to cast it to a string type.  Can anyone shed some light on how to do
this in C#?

I am writing a C++ wrapper and need to marshal a
System::Drawing::Rectangle to an LPRECT. Is this possible, and if so,
how do I go about doing this?
Thanks,

Hey guys,
I'm trying to get Com Interop to work for my class library I have wrote. It
works fairly good for .net clients as is.  So now I'm trying to add a COM
Wrapper for it to expose it to a VB6 client.  I have discover the best way

I'm currently investigating the possibility of upgrading an existing website
(ISAPI written in Delphi) to an ASP.NET 2.0 application (Visual Studio
2005 - C#).
The website itself communicates with an executable (ColPro.exe) that support

I have a vb.NET dll that I use from Excel. From Excel the functions in the
dll is called. This works and has done so for a long time.
But what has stopped working  is debugging. After changing computer I can't
debug calls from Excel to the component. Of course I have in the ...

I want to write a unittest that compares
the property-values of a managed-object with
the property-values of an object instantiated via interop.
Background is:

I'm getting the following message in VB2005...
"Warning 2 'Microsoft.VisualBasic.ComClassAttribute' is specified for class
'ComLogging' but 'ComLogging' has no public members that can be exposed to
COM; therefore, no COM interfaces are generated.

I am developing an application which uses TAPI3 and a data modem. I want to
receive a call using this application and then the caller will be able to
hear some TTS in reponse.
I could receive a call using TAPI3 APIS. but i couldn't answer the call.

I have a project written in C#, which I then create a TLB from. In VC6
I import this .tlb which in turns generates a tlh file. Intellisense
gets it's information from this .thl file ( I tested it).
The only problem is that in the method declarations it always puts