Function T_copy_rectangle

pub unsafe extern "C" fn T_copy_rectangle(
    WindowHandleSource: Htuple,
    WindowHandleDestination: Htuple,
    Row1: Htuple,
    Column1: Htuple,
    Row2: Htuple,
    Column2: Htuple,
    DestRow: Htuple,
    DestColumn: Htuple,
) -> Herror