Type Alias windows::Win32::UI::Controls::PFTASKDIALOGCALLBACK

pub type PFTASKDIALOGCALLBACK = Option<unsafe extern "system" fn(hwnd: HWND, msg: TASKDIALOG_NOTIFICATIONS, wparam: WPARAM, lparam: LPARAM, lprefdata: isize) -> HRESULT>;

Aliased Type

enum PFTASKDIALOGCALLBACK {
    None,
    Some(unsafe extern "system" fn(_: HWND, _: TASKDIALOG_NOTIFICATIONS, _: WPARAM, _: LPARAM, _: isize) -> HRESULT),
}

Variants

None

No value.

Some(unsafe extern "system" fn(_: HWND, _: TASKDIALOG_NOTIFICATIONS, _: WPARAM, _: LPARAM, _: isize) -> HRESULT)

Some value of type T.