pub type LPFNPSPCALLBACKA = Option<unsafe extern "system" fn(hwnd: HWND, uMsg: UINT, ppsp: *mut PROPSHEETPAGEA) -> UINT>;Aliased Type§
pub enum LPFNPSPCALLBACKA {
None,
Some(unsafe extern "system" fn(*mut HWND__, u32, *mut PROPSHEETPAGEA_V4) -> u32),
}