/// XFlush() flushes the output buffer.
XFlush() flushes the output buffer.
XFlush () flushes the output buffer .
pub fn x_flush(&self) {
        unsafe {
            x::XFlush(*self.lock_x_display());
        }
    }
pub fn x_flush ( & self ) { unsafe { x :: XFlush ( * self . lock_x_display ( ) ) ; } }
XFlush() flushes the output buffer.
XFlush () flushes the output buffer .
&self