getData method
Throws a WindowsException on failure.
Implementation
@pragma('vm:prefer-inline')
void getData(
PCWSTR pszValueName,
Pointer<Uint32> pcbData,
Pointer<Uint8> pData,
) {
final hr$ = HRESULT(_GetDataFn(ptr, pszValueName, pcbData, pData));
if (hr$.isError) throw WindowsException(hr$);
}