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I have draw a line use GDI function in the singledocument,but what's next is what we would think is that how to remove the line drawed within the view window. Once I have seen that we can use CPtrList class,but if is there a simple way to answer the question?

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Yes, there is. :-)

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MSTzhao 29-Feb-12 23:29pm    
SA?Becase i was a freshman. So It seems that i can't understand.Can you describe it clearliy. Thank you!

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