WeifenLuo.WinFormsUI.Docking.DockPane.ClearLastActiveContent C# (CSharp) Method

        internal void ClearLastActiveContent()
        {
            m_activeContent = null;
        }

 protected void ContentClosed()
 {
     if (m_tabs.Count == 0)
     {
         DockPane.ClearLastActiveContent();
     }
 }