man XtAddCallback (Fonctions bibliothèques) - add and remove callback procedures

NAME

XtAddCallback, XtAddCallbacks, XtRemoveCallback, XtRemoveCallbacks, XtRemoveAllCallbacks - add and remove callback procedures

SYNTAX

void XtAddCallback(Widget w, String callback_name, XtCallbackProc callback, XtPointer client_data); void XtAddCallbacks(Widget w, String callback_name, XtCallbackList callbacks); void XtRemoveCallback(Widget w, String callback_name, XtCallbackProc callback, XtPointer client_data); void XtRemoveCallbacks(Widget w, String callback_name, XtCallbackList callbacks); void XtRemoveAllCallbacks(Widget w, String callback_name,

ARGUMENTS

callback
Specifies the callback procedure.
callbacks
Specifies the null-terminated list of callback procedures and corresponding client data.
callback_name
Specifies the callback list.
client_data
Specifies the argument that is to be passed to the specified procedure when .
w
Specifies the widget.

DESCRIPTION

The function adds the specified callback procedure to the specified widget's callback list.

The add the specified list of callbacks to the specified widget's callback list.

The function removes a callback only if both the procedure and the client data match.

The function removes the specified callback procedures from the specified widget's callback list.

The function removes all the callback procedures from the specified widget's callback list.

SEE ALSO