XtAddCallback
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
XtCallCallbacks(3Xt)