Type Alias LPDDENUMSURFACESCALLBACK2
pub type LPDDENUMSURFACESCALLBACK2 = Option<unsafe extern "system" fn(param0: Ref<'_, IDirectDrawSurface4>, param1: *mut DDSURFACEDESC2, param2: *mut c_void) -> HRESULT>;Aliased Type§
pub enum LPDDENUMSURFACESCALLBACK2 {
None,
Some(unsafe extern "system" fn(Ref<'_, IDirectDrawSurface4>, *mut DDSURFACEDESC2, *mut c_void) -> HRESULT),
}Variants§
None
No value.
Some(unsafe extern "system" fn(Ref<'_, IDirectDrawSurface4>, *mut DDSURFACEDESC2, *mut c_void) -> HRESULT)
Some value of type T.