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>>3. Unlike the VFP's Property window, opening several methods from PEM Editor then start closing them, the closing is not LIFO! This is outside of PEM Editor's control. When you close a form, windows returns the focus where it will. I'm absolutely sure that there is nothing that can be done about this.
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If "which window get focus next" is only determined by VFP, why didn't the samething apply on Property Window?

I run a simple test and what I have observed is driving me mad:

I have both Property Window and PEM Editor docked-left, so, from the pulldown menu Window, I have:
1.PEM Editor - myclass (My.VCX)
2.Class Designer - My.VCX (myclass)

I then swith to Property window double-click to open method A, switch to PEM Editor double click to open Method B and switch back to Property Window double-click to open Method C, I have:
1.PEM Editor - myclass (My.VCX)
2.Class Designer - My.VCX (myclass)
3.myclass.Mehotd A
4.myclass.Method B
5.myclass.Method C

Guess what, closing C bring up B but closing B bring up Class Designer, it seems that as long as a method is opened from Property Window, the LOFC (last opened first close) cycle is applied...