Type Alias windows::Win32::UI::WindowsAndMessaging::WNDPROC

pub type WNDPROC = Option<unsafe extern "system" fn(param0: HWND, param1: u32, param2: WPARAM, param3: LPARAM) -> LRESULT>;

Aliased Type

enum WNDPROC {
    None,
    Some(unsafe extern "system" fn(_: HWND, _: u32, _: WPARAM, _: LPARAM) -> LRESULT),
}

Variants

None

No value.

Some(unsafe extern "system" fn(_: HWND, _: u32, _: WPARAM, _: LPARAM) -> LRESULT)

Some value of type T.