Type Alias WNDPROC
pub type WNDPROC = Option<unsafe extern "system" fn(param0: HWND, param1: u32, param2: WPARAM, param3: LPARAM) -> LRESULT>;Aliased Type§
pub enum WNDPROC {
None,
Some(unsafe extern "system" fn(HWND, u32, WPARAM, LPARAM) -> LRESULT),
}