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Returns the data type of the document property.
[out] The value type of the document property.
Possible values are:
The value type is empty or null.
The property's data type is Integer.
The property's data type is Double.
The property's data type is DateTime.
The property's data type is Boolean.
The property's data type is String, and is less than 256 characters in length.
The property's data type is String, and is longer than 256 characters in length.
The maximum length of a text string.
The IParserProperty Class methods return typical HRESULT values. In general, the method should return a positive OK value when successful or a negative FAIL value when unsuccessful.
For IParserProperty Class methods, all output parameters of type LPCSTR are valid only as long as the IParserProperty interface pointer remains valid. The method caller should never change or free the memory pointed to by any output parameters of type LPCSTR.
If you call an IParserProperty.Set<datatype> method, then any previously returned output LCPSTR parameter may no longer be valid.