通过

VarUI1FromDisp

  • 项目

This function converts variant data types to BYTE from IDispatch.

HRESULT VarUI1FromDisp(
  IDispatch* pdispIn, 
  LCID lcid, 
  BYTE* pbOut 
);

Parameters

  • pdispIn
    [in] The value to coerce.
  • lcid
    [in] For conversions from string and VT_DISPATCH input, the LCID to use for the conversion.
  • pbOut
    [out] Points to the coerced value.

Return Values

The following table shows the HRESULT values that can be returned by this function.

Value 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 invalid.
E_OUTOFMEMORY Memory could not be allocated for the conversion.

Remarks

Passing invalid (and under some circumstances NULL) pointers to this function causes an unexpected termination of the application.

Requirements

OS Versions: Windows CE 2.0 and later.
Header: Oleauto.h.
Link Library: Oleaut32.lib.

See Also

IDispatch

Last updated on Wednesday, April 13, 2005

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