Type Alias PFN_DrvEnableDirectDraw

pub type PFN_DrvEnableDirectDraw = Option<unsafe extern "system" fn(param0: DHPDEV, param1: *mut DD_CALLBACKS, param2: *mut DD_SURFACECALLBACKS, param3: *mut DD_PALETTECALLBACKS) -> BOOL>;

Aliased Type§

pub enum PFN_DrvEnableDirectDraw {
    None,
    Some(unsafe extern "system" fn(DHPDEV, *mut DD_CALLBACKS, *mut DD_SURFACECALLBACKS, *mut DD_PALETTECALLBACKS) -> BOOL),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "system" fn(DHPDEV, *mut DD_CALLBACKS, *mut DD_SURFACECALLBACKS, *mut DD_PALETTECALLBACKS) -> BOOL)

Some value of type T.