[vtkusers] ActiViz.NET reports unhandled Exception while interacting window with Mouse

[David Cole]

> I have the same problem.  I get the following exception:
> A first chance exception of type 'System.Exception' occurred in
> Kitware.mummy.Runtime.dll
> An unhandled exception of type 'System.Exception' occurred in
> Kitware.mummy.Runtime.dll
> Additional information: error: could not get registered type -
> mteIndex='4294967295' classNameKey=''


This sort of problem generally occurs when all C# references to the 
object firing the event have gone out of scope. Try adding a member 
variable that holds the event firing object alive while it is firing 
events to your handler.


HTH,
David C.