I had a problem with a COM component in .NET. It would instantiate but threw exceptions every time I called a method on it.
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I had a problem with a COM component in .NET. It would instantiate but threw exceptions every time I called a method on it.
Without seeing the code it’s really difficult. I don’t know that much about COM but you might want to check if your .net program is compiling for 32 or 64 bit and depending on your platform you may have to explicitly set the threading model on the entry point to your application, e.g. in a windows console application you’d do:
I remember having a similar issue once upon a time but can’t remember for sure if this fixed it or not. Some more info: http://msdn.microsoft.com/en-us/library/system.stathreadattribute.aspx