Type Alias windows::Win32::Graphics::DirectDraw::LPDDENUMSURFACESCALLBACK7

pub type LPDDENUMSURFACESCALLBACK7 = Option<unsafe extern "system" fn(param0: Option<IDirectDrawSurface7>, param1: *mut DDSURFACEDESC2, param2: *mut c_void) -> HRESULT>;

Aliased Type

enum LPDDENUMSURFACESCALLBACK7 {
    None,
    Some(unsafe extern "system" fn(_: Option<IDirectDrawSurface7>, _: *mut DDSURFACEDESC2, _: *mut c_void) -> HRESULT),
}

Variants

None

No value.

Some(unsafe extern "system" fn(_: Option<IDirectDrawSurface7>, _: *mut DDSURFACEDESC2, _: *mut c_void) -> HRESULT)

Some value of type T.