[vtkusers] Update the render window

[Zhu Yong]

Thanks,

I solve the problem by send a WM_PAINT message to the render window.

Thank you very much!


>From: Zhizhong Zhang <yalang at yahoo.com>
>To: Zhu Yong <yong_zhy at hotmail.com>, vtkusers at vtk.org
>Subject: Re: [vtkusers] Update the render window
>Date: Tue, 13 Jan 2004 12:27:09 -0800 (PST)
>
>you need to send out a message to the right window and tell it to update 
>the window. Your assertion that only WM_TIMER is handled is incorrect. In 
>fact, all the messages in the switch block are handled, the same way(that's 
>why the right window is updated when you click in it). You can look up 
>SendMessage to  figure out how to send a message.
>

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