How to customize the controls on the Configuration Editor dialog in WinForms SyntaxEditor (EditControl)?

private frmConfigDialog CustomizeConfigDialog (frmConfigDialog form)
{
    foreach (Control ctrl in form.Controls)
    {
       if (ctrl is Button)
       {
           Button btn = (Button) ctrl;
           if (btn.Text == "&OK")
               btn.Text = "&Apply";
       }
       // Get the TabControl in the ConfigDialog form
       else if (ctrl is TabControl)
       {
           TabControl tabControl = (TabControl) ctrl;
           TabPage formatsPage = null;
           // Get the Formats TabPage
           foreach (TabPage page in tabControl.TabPages)
           {
                if (page.Text == "Formats")
                   formatsPage = page;
           }
           // Clear all TabPages in the TabControl
           tabControl.TabPages.Clear();
           // Add only the Formats TabPage
           tabControl.TabPages.Add(formatsPage);
       }
    }
    return (frmConfigDialog) form;
}

Private Function CustomizeConfigDialog(form As frmConfigDialog) As frmConfigDialog
    Dim ctrl As Control
    For Each ctrl In form.Controls
        If TypeOf ctrl Is Button Then
           Dim btn As Button = CType(ctrl, Button)
           If btn.Text = "&OK" Then
              btn.Text = "&Apply"
           End If
           ' Get the TabControl in the ConfigDialog form
           ElseIf TypeOf ctrl Is TabControl Then
              Dim tabControl As TabControl = CType(ctrl, TabControl)
              Dim formatsPage As TabPage = Nothing
               ' Get the Formats TabPage
              Dim page As TabPage
              For Each page In tabControl.TabPages
                 If page.Text = "Formats" Then
                    formatsPage = page
                 End If
              Next page ' Clear all TabPages in the TabControl
              tabControl.TabPages.Clear()
              ' Add only the Formats TabPage
              tabControl.TabPages.Add(formatsPage)
           End If
    Next ctrl
    Return CType(form, frmConfigDialog)
End Function 'CustomizeConfigDialog