Mega Code Archive

 

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Lock refreshing of some window

Title: Lock refreshing of some window This example shows, how to lock refreshing of Edit component. Use LockWindowUpdate for this. When you will press button1 and, after that, button3, then you won't see 'Hello' string in Edit component. procedure TForm1.Button1Click(Sender: TObject); begin LockWindowUpdate(Edit1.Handle); end; procedure TForm1.Button3Click(Sender: TObject); begin Edit1.Text:='Hello'; end; procedure TForm1.Button2Click(Sender: TObject); begin LockWindowUpdate(0); end;