VarUI1FromR4 function (oleauto.h)

Converts a float value to an unsigned char value.

Syntax

HRESULT VarUI1FromR4(
  [in] FLOAT fltIn,
       BYTE  *pbOut
);

[in] fltIn

The value to convert.

pbOut

The resulting value.

This function can return one of these values.

Return code	Description
S_OK	Success.
DISP_E_BADVARTYPE	The input parameter is not a valid type of variant.
DISP_E_OVERFLOW	The data pointed to by the output parameter does not fit in the destination type.
DISP_E_TYPEMISMATCH	The argument could not be coerced to the specified type.
E_INVALIDARG	One of the arguments is not valid.
E_OUTOFMEMORY	Insufficient memory to complete the operation.