System.Runtime.InteropServices.VarEnum
VT_ARRAY = 8192
VT_BLOB = 65
VT_BLOB_OBJECT = 70
VT_BOOL = 11
VT_BSTR = 8
VT_BYREF = 16384
VT_CARRAY = 28
VT_CF = 71
VT_CLSID = 72
VT_CY = 6
VT_DATE = 7
VT_DECIMAL = 14
VT_DISPATCH = 9
VT_EMPTY = 0
VT_ERROR = 10
VT_FILETIME = 64
VT_HRESULT = 25
VT_I1 = 16
VT_I2 = 2
VT_I4 = 3
VT_I8 = 20
VT_INT = 22
VT_LPSTR = 30
VT_LPWSTR = 31
VT_NULL = 1
VT_PTR = 26
VT_R4 = 4
VT_R8 = 5
VT_RECORD = 36
VT_SAFEARRAY = 27
VT_STORAGE = 67
VT_STORED_OBJECT = 69
VT_STREAM = 66
VT_STREAMED_OBJECT = 68
VT_UI1 = 17
VT_UI2 = 18
VT_UI4 = 19
VT_UI8 = 21
VT_UINT = 23
VT_UNKNOWN = 13
VT_USERDEFINED = 29
VT_VARIANT = 12
VT_VECTOR = 4096
VT_VOID = 24