Handling EM_SETSEL message
Our application uses C++/MFC. We have normal edit boxes and a type of edit box that is filled with spaces by default when it is empty. The problem is that it is possible to make a selection with the mouse of an empty edit box, which looks a bit silly.
How can I trap the EM_SETSEL message? Once its trapped I can check if the edit box has valid content and can be selected.
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