Type Alias windows_sys::Win32::UI::TabletPC::PfnRecoCallback

pub type PfnRecoCallback = Option<unsafe extern "system" fn(param0: u32, param1: *mut u8, param2: HRECOCONTEXT) -> HRESULT>;

Aliased Type

enum PfnRecoCallback {
    None,
    Some(unsafe extern "system" fn(_: u32, _: *mut u8, _: *mut c_void) -> i32),
}

Variants

None

No value.

Some(unsafe extern "system" fn(_: u32, _: *mut u8, _: *mut c_void) -> i32)

Some value of type T.