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From: denault@hale.ifa.hawaii.edu (Tony Denault)
Newsgroups: comp.windows.x
Subject: How to get Canvas from Xv_Window in XView?
Message-ID: <9039@uhccux.uhcc.Hawaii.Edu>
Date: 16 Aug 90 22:33:49 GMT
Sender: news@uhccux.uhcc.Hawaii.Edu
Organization: Institute For Astronomy, Hawaii
Lines: 23


Using the XView toolkit, how can I obtain the Canvas from
within the event_proc();

I have a procedure to handle events into a canvas. This
procedure services  4 Canvases used in my application.
The event_proc() parameter are defined as:

void event_proc( window, event)
  Xv_Window  window;
  Event      *event;

How do I get the Canvas from the Xv_Window data structure? 
Is their a way?

Thanks in advance.
Tony D.

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