Indicates if a data type field in a structure is optional.
DISPID (Dispatch ID):
For more information, see IsOptional in .NET Reference.
DISPID (Dispatch ID):
For more information, see IsOptional in .NET Reference.
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Public Property IsOptional As Boolean |
See IsOptional in .NET Reference.
For remarks, see IsOptional in .NET Reference.
For examples, see IsOptional in .NET Reference.