Tk_GetOption — retrieve an option from the option database
#include <tk.h>
Tk_Uid
Tk_GetOption(tkwin, name, class)
- Tk_Window tkwin
(in)
- Token for window.
- const char *name (in)
- Name of desired option.
- const char *class (in)
- Class of desired option. Null means there is no class for this
option; do lookup based on name only.
This procedure is invoked to retrieve an option from the database
associated with tkwin's main window. If there is an option
for tkwin that matches the given name or
class, then it is returned in the form of a Tk_Uid. If multiple options match
name and class, then the highest-priority one is
returned. If no option matches, then NULL is returned.
Tk_GetOption caches options related to tkwin so
that successive calls for the same tkwin will execute much
more quickly than successive calls for different windows.
class, name, option, retrieve
Copyright © 1990 The Regents of the University of
California.
Copyright © 1994-1996 Sun Microsystems, Inc.