Function DRMGetSignedIssuanceLicenseEx
pub unsafe fn DRMGetSignedIssuanceLicenseEx<P5>(
henv: u32,
hissuancelicense: u32,
uflags: u32,
pbsymkey: Option<&[u8]>,
wszsymkeytype: P5,
pvreserved: Option<*const c_void>,
henablingprincipal: u32,
hboundlicenseclc: u32,
pfncallback: DRMCALLBACK,
pvcontext: *const c_void,
) -> Result<()>where
P5: Param<PCWSTR>,