NAME¶

VarNot (OLEAUT32.174)

SYNOPSIS¶

HRESULT VarNot
(
LPVARIANT pVarIn,
LPVARIANT pVarOut
)

DESCRIPTION¶

Perform a not operation on a variant.

PARAMS¶

pVarIn [In] Source variant. pVarOut [Out] Destination for converted value.

RETURNS¶

Success: S_OK. pVarOut contains the converted value. Failure: An HRESULT error code indicating the error.

NOTES¶

- Strictly speaking, this function performs a bitwise ones complement on the variants value (after possibly converting to VT_I4, see below). This only behaves like a boolean not operation if the value in pVarIn is either VARIANT_TRUE or VARIANT_FALSE and the type is signed. - To perform a genuine not operation, convert the variant to a VT_BOOL before calling this function. - This function does not process by-reference variants. - The type of the value stored in pVarOut depends on the type of pVarIn, according to the following table:
Input Type Output Type
---------- -----------
VT_EMPTY VT_I2
VT_R4 VT_I4
VT_R8 VT_I4
VT_BSTR VT_I4
VT_DECIMAL VT_I4
VT_CY VT_I4
(All others) Unchanged

IMPLEMENTATION¶

Declared in "oleauto.h". Implemented in "dlls/oleaut32/variant.c". Debug channel "variant".