Type Alias windows::Win32::Graphics::Gdi::GRAYSTRINGPROC

pub type GRAYSTRINGPROC = Option<unsafe extern "system" fn(param0: HDC, param1: LPARAM, param2: i32) -> BOOL>;

Aliased Type

enum GRAYSTRINGPROC {
    None,
    Some(unsafe extern "system" fn(_: HDC, _: LPARAM, _: i32) -> BOOL),
}

Variants

None

No value.

Some(unsafe extern "system" fn(_: HDC, _: LPARAM, _: i32) -> BOOL)

Some value of type T.