This manual page is for Mac OS X version 10.6.3

Reading manual pages

XtAppAddActionHook(3)                           XT FUNCTIONS                           XtAppAddActionHook(3)



NAME
       XtAppAddActionHook, XtRemoveActionHook - register an action hook procedure

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

       void XtRemoveActionHook(XtActionHookId id);

ARGUMENTS
       app_context
                 Specifies the application context.

       proc      Specifies the action hook procedure.

       num_args  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 applica-tion application
       tion context, either through the translation manager or via XtCallActionProc, the action hohok proce-dures procedures
       dures will be called in reverse order of registration jut prior to invoking the action routine.

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

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

SEE ALSO
       X Toolkit Intrinsics - C Language Interface
       Xlib - C Language X Interface



X Version 11                                     libXt 1.0.5                           XtAppAddActionHook(3)