Type Alias windows_sys::Win32::UI::Controls::PFNPROPSHEETCALLBACK

pub type PFNPROPSHEETCALLBACK = Option<unsafe extern "system" fn(param0: HWND, param1: u32, param2: LPARAM) -> i32>;

Aliased Type

enum PFNPROPSHEETCALLBACK {
    None,
    Some(unsafe extern "system" fn(_: *mut c_void, _: u32, _: isize) -> i32),
}

Variants

None

No value.

Some(unsafe extern "system" fn(_: *mut c_void, _: u32, _: isize) -> i32)

Some value of type T.