hpux man page for xungrabbutton

XUngrabButton() 														   XUngrabButton()

Name
  XUngrabButton - release a button from a passive grab.

Synopsis
  XUngrabButton(display, button, modifiers, grab_window)
	Display *display;
	unsigned int button;
	unsigned int modifiers;
	Window grab_window;

Arguments
  display   Specifies a connection to an X server; returned from XOpenDisplay().

  button    Specifies  the  mouse button to be released from grab.  Specify Button1, Button2, Button3, Button4, Button5, or the constant Any-
	    Button, which is equivalent to issuing the ungrab request for all possible buttons.

  modifiers Specifies a set of keymasks. This is a bitwise OR of one or more of the following  symbols:   ShiftMask,  LockMask,  ControlMask,
	    Mod1Mask, Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask, or AnyModifier.  AnyModifier is equivalent to issuing the ungrab button request
	    for all possible modifier combinations (including no modifiers).

  grab_window
	    Specifies the ID of the window you want to release the button grab.

Description
  XUngrabButton() cancels the passive grab on a button/key combination on the specified window if it was grabbed by this client.  A modifiers
  of  AnyModifier  is  equivalent to issuing the ungrab request for all possible modifier combinations (including the combination of no modi-
  fiers).  A button of AnyButton is equivalent to issuing the request for all possible buttons.  This call has no effect on an active grab.

  For more information, see Volume One, Chapter 9, The Keyboard and Pointer.

Errors
  BadWindow
  BadValue  Invalid button or modifiers mask.

See Also
  XChangeActivePointerGrab(), XGrabButton(), XGrabKey(), XGrabKeyboard(),  XGrabPointer(),  XGrabServer(),  XUngrabKey(),  XUngrabKeyboard(),
  XUngrabPointer(), XUngrabServer().

Xlib - Grabbing 														   XUngrabButton()