pub type LPD3DENUMDEVICESCALLBACK = Option<unsafe extern "system" fn(lpguid: *mut GUID, lpdevicedescription: PCSTR, lpdevicename: PCSTR, param3: *mut D3DDEVICEDESC, param4: *mut D3DDEVICEDESC, param5: *mut c_void) -> HRESULT>;

Aliased Type§

enum LPD3DENUMDEVICESCALLBACK {
    None,
    Some(unsafe extern "system" fn(_: *mut GUID, _: PCSTR, _: PCSTR, _: *mut D3DDEVICEDESC, _: *mut D3DDEVICEDESC, _: *mut c_void) -> HRESULT),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "system" fn(_: *mut GUID, _: PCSTR, _: PCSTR, _: *mut D3DDEVICEDESC, _: *mut D3DDEVICEDESC, _: *mut c_void) -> HRESULT)

Some value of type T.