Type Alias LPDICONFIGUREDEVICESCALLBACK

pub type LPDICONFIGUREDEVICESCALLBACK = Option<unsafe extern "system" fn(param0: Ref<'_, IUnknown>, param1: *mut c_void) -> BOOL>;

Aliased Type

enum LPDICONFIGUREDEVICESCALLBACK {
    None,
    Some(unsafe extern "system" fn(_: Ref<'_, IUnknown>, _: *mut c_void) -> BOOL),
}

Variants

None

No value.

Some(unsafe extern "system" fn(_: Ref<'_, IUnknown>, _: *mut c_void) -> BOOL)

Some value of type T.