IDISPATCH Data Type Conversions
Convert to type
Empty
IUNKNOWN
NULL
VARIANT
Unsupported data type conversions
I1, I2, I4, I8, UI1, UI2, UI4, UI8, R4, R8, CY, NUMERIC, DECIMAL, DBTIME, DATE, DBDATE, DBTIMESTAMP, BOOL, BSTR, BYTES, ERROR, GUID, STR, WSTR
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