UnityEditor.DockArea.AddTab C# (CSharp) Method

        public void AddTab(EditorWindow pane)
        {
            this.AddTab(this.m_Panes.Count, pane);
        }

        internal void Reload(object userData)
        {
            EditorWindow window = userData as EditorWindow;

            if (window == null)
            {
                return;
            }

            // Get some info on the existing window.
            Type windowType = window.GetType();

            // Save what we can of the window.
            string windowJson = EditorJsonUtility.ToJson(window);

            DockArea dockArea = window.m_Parent as DockArea;

            if (dockArea != null)
            {
                int windowIndex = dockArea.m_Panes.IndexOf(window);

                // Destroy window.
                dockArea.RemoveTab(window, false); // Don't kill dock if empty.
                DestroyImmediate(window, true);

                // Create window.
                window = EditorWindow.CreateInstance(windowType) as EditorWindow;
                dockArea.AddTab(windowIndex, window);
            }
            else
            {
                // Close the existing window.
                window.Close();

                // Recreate window.
                window = EditorWindow.CreateInstance(windowType) as EditorWindow;
                if (window != null)
                {
                    window.Show();
                }
            }

            // Restore what we can of the window.
            EditorJsonUtility.FromJsonOverwrite(windowJson, window);
        }