pub unsafe extern "system" fn DispCallFunc(
    pvinstance: *const c_void,
    ovft: usize,
    cc: CALLCONV,
    vtreturn: VARENUM,
    cactuals: u32,
    prgvt: *const u16,
    prgpvarg: *const *const VARIANT,
    pvargresult: *mut VARIANT
) -> HRESULT
Expand description

Required features: "Win32_System_Ole", "Win32_Foundation", "Win32_System_Com"