[vtkusers] how to pick a point using vtkPointPicker in MFC!

[熊俊（jun xiong）]

hello!
		I want to pick a point using vtkPointPicker in MFC,but i
only know how to use it in Dos-bases application.But the decleration 
isn't the same for windows-based applications.So i need
help.Any example code or suggestions, how to get this work?
                                      
　　　　　　　　
 				

　　　　　　　　jun xiong
　　　　　　　　mickyxiong at vip.sina.com
　　　　　　　　　　2003-11-28