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.NET Forum / .NET Framework / Interop / January 2005Throwing exception from a .net com object
I have written a class in c# and the assembly is registered as a com object. When I use this assembly fron a .net windows app it works great, and if the assembly throws an exception it is caught by the .net winform app. When I use this assembly from Excel, Excel will report an exception "Exception of type System.OutofMemoryException was thrown." when my assembly throws an exception, but the original exception is a custom class derived from the Exception class. Why would I get different behaviour in excel vs my app? Check out: http://msdn.microsoft.com/library/en-us/cpguide/html/cpconhresultsexceptions.asp ?frame=true > I have written a class in c# and the assembly is registered as a com object. > When I use this assembly fron a .net windows app it works great, and if the [quoted text clipped - 3 lines] > exception, but the original exception is a custom class derived from the > Exception class. Why would I get different behaviour in excel vs my app?
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