Specifies the null-terminated list of callback procedures and corresponding
client data.
callback_name
Specifies the callback list to which the procedure is to be appended or deleted.
client_data
Specifies the argument that is to be passed to the specified procedure
when it is invoked by XtCallbacks or NULL, or the client data to match on the registered callback procedures.
w
Specifies the widget.
DESCRIPTION
The
XtAddCallback
function adds the specified callback procedure to the specified widget's
callback list.
The
XtAddCallbacks
add the specified list of callbacks to the specified widget's callback list.
The
XtRemoveCallback
function removes a callback only if both the procedure and the client
data match.
The
XtRemoveCallbacks
function removes the specified callback procedures from the specified
widget's callback list.
The
XtRemoveAllCallbacks
function removes all the callback procedures from the specified
widget's callback list.
SEE ALSO
XtCallCallbacks(3Xt)
X Toolkit Intrinsics - C Language Interface Xlib - C Language X Interface