Function gdk4_sys::gdk_drag_begin

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