úÎ ±   2Ask the X server if XTest extension is supported. 1 Returns Nothing, if extension is not supported.  Otherwise, it returns: _ Event number for the first event for this extension (undefined for current version of XTest). _ Error number for the first error for this extension (undefined for current version of XTest).  Major and " minor versions of the extension. 7Perform some IO actions while control grabbed by XTest Send fake key press +Modifier keys (say, xK_Control_L). Set to [] if modifier is not needed. Key to press (say, xK_n). "Create fake pointer motion event. X Y &Create fake mouse button click event. Mouse button number Move mouse pointer. Root window XID delta X delta Y      xtest-0.2Graphics.X11.XTestqueryXTestSupportwithGrabbedControlsendKey fakeMotionfakeButtonPress movePointerxQueryExtension xFakeKeyEvent xGrabControlxFakeMotionEventxFakeButtonEvent