title: How to change/append the text of edit control box in that dialog when i pressed the push button in dialog window
body: <p>I am doing calculator program by using dialog based vc++/MFC application. In a dialog box, I added a edit text control and a push button. So I need to change/append the text of the edit control box in that dialog when I click the button on the dialog. To display the text am using Setsel() and ReplaceSel() methods in ButtonClicked method, but it's not working.</p>
  
  <p>Show the relevant portion of your code and relevent artical.</p>
  
  <p>basu</p>