XtAppAddActionHook(3Xt) XT FUNCTIONS XtAppAddActionHook(3Xt)
XtAppAddActionHook, XtRemoveActionHook - register an action
hook procedure
XtActionHookId XtAppAddActionHook(XtAppContext app_context,
XtActionHookProc proc, XtPointer client_data);
void XtRemoveActionHook(XtActionHookId id);
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.
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 context, either through the
translation manager or via XtCallActionProc, the action
hohok procedures will be called in reverse order of regis-
tration jut prior to invoking the action routine.
Action hook procedures are removed automatically and the
XtActionHookId s destroyed when the application context in
which they were added is destroyed.
XtRemoveActionHook removes the specified action hook pro-
cedure from the list in which it was registered.
X Toolkit Intrinsics - C Language Interface
Xlib - C Language X Interface
XFree86 Version 4.5.0 1
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