Type Alias windows_sys::Win32::UI::Controls::Dialogs::LPFRHOOKPROC

pub type LPFRHOOKPROC = Option<unsafe extern "system" fn(param0: HWND, param1: u32, param2: WPARAM, param3: LPARAM) -> usize>;

Required features: "Win32_Foundation"

Aliased Type

enum LPFRHOOKPROC {
    None,
    Some(unsafe extern "system" fn(_: isize, _: u32, _: usize, _: isize) -> usize),
}

Variants

None

No value.

Some(unsafe extern "system" fn(_: isize, _: u32, _: usize, _: isize) -> usize)

Some value of type T.