Don't do it in the property sheet. Find a reference to it in the code. Right-click on it and select Refactor.

>On a Windows Forms, how can I rename a control (using the Properties window in the IDE) knowing that there may be many event handlers and other references to the old name in other places in my codes?
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>If you rename it immediately after placing it, you're ok, but what if you have already coded against it and then decide to rename it how do you fix all the references? Will it do it automatically or do I have to find all the places that need to be changed? Where all should I look?