winapi::um::wingdi

Type Alias OLDFONTENUMPROCA

Source 
pub type OLDFONTENUMPROCA = Option<unsafe extern "system" fn(*const LOGFONTA, *const TEXTMETRICA, DWORD, LPARAM) -> c_int>;

Aliased Type§

enum OLDFONTENUMPROCA {
    None,
    Some(unsafe extern "system" fn(_: *const LOGFONTA, _: *const TEXTMETRICA, _: u32, _: isize) -> i32),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "system" fn(_: *const LOGFONTA, _: *const TEXTMETRICA, _: u32, _: isize) -> i32)

Some value of type T.