Type Alias GeoKernelViewerEventCallback 

pub type GeoKernelViewerEventCallback = Option<unsafe extern "C" fn(*const GeoKernelViewerEventData, *const WChar, *mut c_void)>;

Aliased Type

pub enum GeoKernelViewerEventCallback {
    None,
    Some(unsafe extern "C" fn(*const GeoKernelViewerEventData, *const i32, *mut c_void)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*const GeoKernelViewerEventData, *const i32, *mut c_void))

Some value of type T.