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From: beckman@iuvax.cs.indiana.edu (Peter Beckman)
Newsgroups: comp.windows.x
Subject: Xlib and Widgets, again
Message-ID: <16672@iuvax.cs.indiana.edu>
Date: 20 Jan 89 17:09:11 GMT
Reply-To: beckman@iuvax.cs.indiana.edu (Peter Beckman)
Organization: Indiana University, Bloomington
Lines: 20

I am trying to use Xlib call to draw within a widget.
Sorry for the confusion, I have tried lots of things, The one I thought
had the most promise is listed below. After 8 hours, I started grasping at
straws.  Yes, the widget is realized before I draw to it. Any help would
be appreciated.  -Pete

XtGCMask	valuemask;
XGCValues       myXGCV;
Display *dpy;
Drawable win;
GC gc;

dpy = XtDisplay(Widget);
myXGCV.foreground = WhitePixel(dpy, DefaultScreen(dpy));
myXGCV.background = BlackPixel(dpy, DefaultScreen(dpy));
valuemask = GCForeground | GCBackground;
gc = XtGetGC(Widget, valuemask, &myXGCV);
win = XtWindow(Widget);

XFillRectangle(dpy,win,gc,0,0,400,400);