Table of Contents
XtAddCallback, XtAddCallbacks, XtRemoveCallback,
XtRemoveCallbacks, XtRemoveAllCallbacks - add and remove callback procedures
- 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,
- callback
- Specifies the callback procedureCb.
- callbacks
- 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.
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.
XtCallCallbacks(3Xt)
X Toolkit Intrinsics - C Language Interface
Xlib - C Language X Interface
Table of Contents