pub fn change_output_property<'c, 'input, Conn>(
conn: &'c Conn,
output: Output,
property: Atom,
type_: Atom,
format: u8,
mode: PropMode,
num_units: u32,
data: &'input [u8],
) -> Result<VoidCookie<'c, Conn>, ConnectionError>where
Conn: RequestConnection + ?Sized,