CButton myIconButton;

   // Create an icon button.
   myIconButton.Create(_T("My button"), WS_CHILD|WS_VISIBLE|BS_ICON, 
      CRect(10,10,60,50), pParentWnd, 1);

   // If no image is defined for the button, define the image to the
   // system arrow and question mark cursor.
   if (myIconButton.GetCursor() == NULL)
      myIconButton.SetCursor(::LoadCursor(NULL, IDC_HELP));