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