Type Alias LPFNPSPCALLBACKW 

pub type LPFNPSPCALLBACKW = Option<unsafe extern "system" fn(hwnd: HWND, umsg: PSPCB_MESSAGE, ppsp: *mut PROPSHEETPAGEW) -> u32>;

Aliased Type

pub enum LPFNPSPCALLBACKW {
    None,
    Some(unsafe extern "system" fn(HWND, PSPCB_MESSAGE, *mut PROPSHEETPAGEW) -> u32),
}

Variants

None

No value.

Some(unsafe extern "system" fn(HWND, PSPCB_MESSAGE, *mut PROPSHEETPAGEW) -> u32)

Some value of type T.