Type Alias windows_sys::Win32::System::Diagnostics::Etw::WMIDPREQUEST

pub type WMIDPREQUEST = Option<unsafe extern "system" fn(requestcode: WMIDPREQUESTCODE, requestcontext: *const c_void, buffersize: *mut u32, buffer: *mut c_void) -> u32>;

Aliased Type

enum WMIDPREQUEST {
    None,
    Some(unsafe extern "system" fn(_: i32, _: *const c_void, _: *mut u32, _: *mut c_void) -> u32),
}

Variants

None

No value.

Some(unsafe extern "system" fn(_: i32, _: *const c_void, _: *mut u32, _: *mut c_void) -> u32)

Some value of type T.