GenericWindow.HideAndNull C# (CSharp) Method

    public void HideAndNull()
    {
        GenericWindowBox.generic_window.Hide();
        GenericWindowBox = null;
    }

 private void nullifyGenericWindow()
 {
     if (genericWinESR != null && !genericWinESR.GenericWindowBoxIsNull())
     {
         genericWinESR.HideAndNull();
     }
 }