pub unsafe extern "C" fn gdk_drag_begin(
surface: *mut GdkSurface,
device: *mut GdkDevice,
content: *mut GdkContentProvider,
actions: GdkDragAction,
dx: c_double,
dy: c_double,
) -> *mut GdkDrag
pub unsafe extern "C" fn gdk_drag_begin(
surface: *mut GdkSurface,
device: *mut GdkDevice,
content: *mut GdkContentProvider,
actions: GdkDragAction,
dx: c_double,
dy: c_double,
) -> *mut GdkDrag