Throws Exception if it is not a null reference.
DISPID (Dispatch ID):
For more information, see ThrowIfFailed in .NET Reference.
            
DISPID (Dispatch ID):
For more information, see ThrowIfFailed in .NET Reference.
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Public Sub ThrowIfFailed()  | 
See ThrowIfFailed in .NET Reference.
For remarks, see ThrowIfFailed in .NET Reference.
For examples, see ThrowIfFailed in .NET Reference.