I am using Visual Basic .NET to create a program that instantiates an Excel application object. How do I retrieve the Process ID of this instance of Excel?

The reason I am asking this is because there seems to be a problem with Visual Basic .NET when trying to detroy an Excel object. It would not close it properly, and therefore leaves the application open without a window in the TaskBar. If I can retrieve the Process ID of the Excel application instance I create in code, then perhaps I can kill it via code also.

Thanks in advance!