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Validates a specified property tag.

Header file:


Implemented by:


Called by:

Service providers

ULONG FBadPropTag(
  ULONG ulPropTag


[in] The property tag to be validated.


The specified property tag is not a valid MAPI property tag.


The specified property tag is a valid MAPI property tag.

The FBadPropTag function validates the specified property tag based on MAPI definitions. It make sures that the property type is one of the types defined by MAPI and that the property identifier is defined to be of that type.