VarR8FromDisp function (oleauto.h)

Converts the default property of an IDispatch instance to a double value.

Syntax

HRESULT VarR8FromDisp(
        IDispatch *pdispIn,
  [in]  LCID      lcid,
  [out] DOUBLE    *pdblOut
);

pdispIn

The value to convert.

[in] lcid

The locale identifier.

[out] pdblOut

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.