SetClass man page on UnixWare

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Tk_SetClass(3)		     Tk Library Procedures		Tk_SetClass(3)

______________________________________________________________________________

NAME
       Tk_SetClass, Tk_Class - set or retrieve a window's class

SYNOPSIS
       #include <tk.h>

       Tk_SetClass(tkwin, class)

       Tk_Uid
       Tk_Class(tkwin)

ARGUMENTS
       Tk_Window   tkwin    (in)      Token for window.

       char	   *class   (in)      New class name for window.
_________________________________________________________________

DESCRIPTION
       Tk_SetClass  is	called	to associate a class with a particular window.
       The class string identifies the type of the window;  all	 windows  with
       the same general class of behavior (button, menu, etc.) should have the
       same class.  By convention all class names start with a capital letter,
       and there exists a Tcl command with the same name as each class (except
       all in lower-case) which can be used to create and  manipulate  windows
       of that class.  A window's class string is initialized to NULL when the
       window is created.

       For main windows, Tk automatically propagates the name and class to the
       WM_CLASS	 property used by window managers.  This happens either when a
       main window is actually created (e.g. in Tk_MakeWindowExist),  or  when
       Tk_SetClass  is	called,	 whichever occurs later.  If a main window has
       not been assigned a class then Tk will not set  the  WM_CLASS  property
       for the window.

       Tk_Class	 is  a	macro that returns the current value of tkwin's class.
       The value is returned as a Tk_Uid, which may be used just like a string
       pointer	but  also  has	the properties of a unique identifier (see the
       manual entry for Tk_GetUid for details).	 If tkwin  has	not  yet  been
       given a class, then Tk_Class will return NULL.

KEYWORDS
       class, unique identifier, window, window manager

Tk								Tk_SetClass(3)
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