In fact i want to understand your discusses here, for example Delphi use PostMessage to send message to Form to close instead to close it by free it as an object, e.g. In click Button in the Form1 we call Close, but if Close just destroy the form it will destroy the button (and all components) then the code inside Click will use destroyed objects.
I use PostMessage to resolve similar problem for popup controls because the message received after the code in the event OnClick run, i feel in wrong way or am i in wrong discusses. Thanks -- Zaher Dirkey
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