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XtAppAddActionHook(3Xt)				       XtAppAddActionHook(3Xt)

NAME
       XtAppAddActionHook, XtRemoveActionHook - register an action hook proce‐
       dure

SYNOPSIS
       XtActionHookId XtAppAddActionHook(app_context, proc, client_data)
	       XtAppContext app_context;
	       XtActionHookProc proc;
	       XtPointer client_data;

       void XtRemoveActionHook(idFP)
	       XtActionHookId id;

ARGUMENTS
       Specifies the application context.  Specifies the  action  hook	proce‐
       dure.   Specifies  the  application-specific  data  to be passed to the
       action hook.

DESCRIPTION
       XtAppAddActionHook adds the specified procedure to the front of a  list
       maintained  in  the  application context. In the future, when an action
       routine is about to be invoked for any widget in this application  con‐
       text,  either  through the translation manager or via XtCallActionProc,
       the action hook procedures will be called in reverse order of registra‐
       tion just prior to invoking the action routine.

       Action hook procedures are removed automatically and the XtActionHookId
       is destroyed when the application context in which they were  added  is
       destroyed.

       XtRemoveActionHook removes the specified action hook procedure from the
       list in which it was registered.

SEE ALSO
       X Toolkit Intrinsics -- C Language Interface

       Xlib -- C Language X Interface

						       XtAppAddActionHook(3Xt)

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