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.