Function RegQueryValueExW
pub unsafe fn RegQueryValueExW<P1>(
hkey: HKEY,
lpvaluename: P1,
lpreserved: Option<*const u32>,
lptype: Option<*mut REG_VALUE_TYPE>,
lpdata: Option<*mut u8>,
lpcbdata: Option<*mut u32>,
) -> WIN32_ERRORwhere
P1: Param<PCWSTR>,