GetDlgItem( hDlg, nCtlId )-> <hControl>
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 PARAMETER:

  <hDlg>     The handle of the dialog box that contains the control

  <nCtlId>   The control identifier


 RETURNS:

  <hControl> is the window handle of the control or zero, indicating either
  an invalid dialog box handle or a nonexistent control. 


 DESCRIPTION:

  The GetDlgItem function retrieves the handle of a control that is in the 
  given dialog box. It can also be used with any parent-child window pair,
  not just a dialog box.


 SOURCE:

  SOURCE\WINAPI\GETDLGIT.C