Type Alias windows::Win32::Graphics::DirectDraw::LPDDENUMCALLBACKA

pub type LPDDENUMCALLBACKA = Option<unsafe extern "system" fn(param0: *mut GUID, param1: PCSTR, param2: PCSTR, param3: *mut c_void) -> BOOL>;

Aliased Type

enum LPDDENUMCALLBACKA {
    None,
    Some(unsafe extern "system" fn(_: *mut GUID, _: PCSTR, _: PCSTR, _: *mut c_void) -> BOOL),
}

Variants

None

No value.

Some(unsafe extern "system" fn(_: *mut GUID, _: PCSTR, _: PCSTR, _: *mut c_void) -> BOOL)

Some value of type T.