/// <include file='CodeDoc\DockPanel.xml' path='//CodeDoc/Class[@name="DockPanel"]/Method[@name="SetPaneIndex(DockPane, int)"]/*'/>
        public void SetPaneIndex(DockPane pane, int index)
        {
            int oldIndex = Panes.IndexOf(pane);

            if (oldIndex == -1)
            {
                throw(new ArgumentException(ResourceHelper.GetString("DockPanel.SetPaneIndex.InvalidPane")));
            }

            if (index < 0 || index > Panes.Count - 1)
            {
                if (index != -1)
                {
                    throw(new ArgumentOutOfRangeException(ResourceHelper.GetString("DockPanel.SetPaneIndex.InvalidIndex")));
                }
            }

            if (oldIndex == index)
            {
                return;
            }
            if (oldIndex == Panes.Count - 1 && index == -1)
            {
                return;
            }

            Panes.Remove(pane);
            if (index == -1)
            {
                Panes.Add(pane);
            }
            else if (oldIndex < index)
            {
                Panes.AddAt(pane, index - 1);
            }
            else
            {
                Panes.AddAt(pane, index);
            }

            if (pane.DockState == DockState.Float)
            {
                pane.FloatWindow.PerformLayout();
            }
            else if (DockHelper.IsDockWindowState(pane.DockState))
            {
                DockWindows[pane.DockState].PerformLayout();
            }
            else if (DockHelper.IsDockStateAutoHide(pane.DockState))
            {
                Refresh();
            }
        }
Exemple #2
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        /// <include file='CodeDoc\DockContent.xml' path='//CodeDoc/Class[@name="DockContent"]/Method[@name="Show(DockPane, DockAlignment, double)"]/*'/>
        public void Show(DockPane prevPane, DockAlignment alignment, double proportion)
        {
            if (prevPane == null)
            {
                throw(new ArgumentException(ResourceHelper.GetString("DockContent.Show.InvalidPrevPane")));
            }

            if (DockHelper.IsDockStateAutoHide(prevPane.DockState))
            {
                throw(new ArgumentException(ResourceHelper.GetString("DockContent.Show.InvalidPrevPane")));
            }

            DockPanel = prevPane.DockPanel;
            DockPanel.DockPaneFactory.CreateDockPane(this, prevPane, alignment, proportion, true);
            Show();
        }
Exemple #3
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        /// <include file='CodeDoc\DockContent.xml' path='//CodeDoc/Class[@name="DockContent"]/Method[@name="Show(DockPanel)"]/*'/>
        public void Show(DockPanel dockPanel)
        {
            if (dockPanel == null)
            {
                throw(new ArgumentNullException(ResourceHelper.GetString("DockContent.Show.NullDockPanel")));
            }

            if (DockState == DockState.Unknown)
            {
                Show(dockPanel, DefaultShowState);
            }
            else
            {
                Activate();
            }
        }
Exemple #4
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        /// <include file='CodeDoc\DockContent.xml' path='//CodeDoc/Class[@name="DockContent"]/Method[@name="Show(DockPane, DockContent)"]/*'/>
        public void Show(DockPane pane, DockContent beforeContent)
        {
            if (pane == null)
            {
                throw(new ArgumentNullException(ResourceHelper.GetString("DockContent.Show.NullPane")));
            }

            if (beforeContent != null && pane.Contents.IndexOf(beforeContent) == -1)
            {
                throw(new ArgumentException(ResourceHelper.GetString("DockContent.Show.InvalidBeforeContent")));
            }

            DockPanel = pane.DockPanel;
            Pane      = pane;
            pane.SetContentIndex(this, pane.Contents.IndexOf(beforeContent));
            Show();
        }
Exemple #5
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        /// <include file='CodeDoc\DockContent.xml' path='//CodeDoc/Class[@name="DockContent"]/Method[@name="Show(DockPanel, DockState)"]/*'/>
        public void Show(DockPanel dockPanel, DockState dockState)
        {
            if (dockPanel == null)
            {
                throw(new ArgumentNullException(ResourceHelper.GetString("DockContent.Show.NullDockPanel")));
            }

            if (dockState == DockState.Unknown || dockState == DockState.Hidden)
            {
                throw(new ArgumentException(ResourceHelper.GetString("DockContent.Show.InvalidDockState")));
            }

            DockPanel = dockPanel;

            if (dockState == DockState.Float && FloatPane == null)
            {
                Pane = DockPanel.DockPaneFactory.CreateDockPane(this, DockState.Float, true);
            }
            else if (PanelPane == null)
            {
                DockPane paneExisting = null;
                foreach (DockPane pane in DockPanel.Panes)
                {
                    if (pane.DockState == dockState)
                    {
                        paneExisting = pane;
                        break;
                    }
                }

                if (paneExisting == null)
                {
                    Pane = DockPanel.DockPaneFactory.CreateDockPane(this, dockState, true);
                }
                else
                {
                    Pane = paneExisting;
                }
            }

            DockState = dockState;
            Activate();
        }
Exemple #6
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        /// <include file='CodeDoc\DockContent.xml' path='//CodeDoc/Class[@name="DockContent"]/Method[@name="Show(DockPanel, Rectangle)"]/*'/>
        public void Show(DockPanel dockPanel, Rectangle floatWindowBounds)
        {
            if (dockPanel == null)
            {
                throw(new ArgumentNullException(ResourceHelper.GetString("DockContent.Show.NullDockPanel")));
            }

            DockPanel = dockPanel;
            if (FloatPane == null)
            {
                IsHidden  = true;                       // to reduce the screen flicker
                FloatPane = DockPanel.DockPaneFactory.CreateDockPane(this, DockState.Float, false);
                FloatPane.FloatWindow.StartPosition = FormStartPosition.Manual;
            }

            FloatPane.FloatWindow.Bounds = floatWindowBounds;

            Show(dockPanel, DockState.Float);
            Activate();
        }
        private void InternalConstruct(DockPanel dockPanel, DockPane pane, bool boundsSpecified, Rectangle bounds)
        {
            if (dockPanel == null)
            {
                throw(new ArgumentNullException(ResourceHelper.GetString("FloatWindow.Constructor.NullDockPanel")));
            }

            m_dockList = new DockList(this);

            FormBorderStyle = FormBorderStyle.SizableToolWindow;
            ShowInTaskbar   = false;

            SuspendLayout();
            if (boundsSpecified)
            {
                Bounds        = bounds;
                StartPosition = FormStartPosition.Manual;
            }
            else
            {
                StartPosition = FormStartPosition.WindowsDefaultLocation;
            }

            m_dummyControl        = new DummyControl();
            m_dummyControl.Bounds = Rectangle.Empty;
            Controls.Add(m_dummyControl);

            m_dockPanel = dockPanel;
            Owner       = DockPanel.FindForm();
            DockPanel.AddFloatWindow(this);
            if (pane != null)
            {
                pane.FloatWindow = this;
            }

            ResumeLayout();
        }
        public static void LoadFromXml(DockPanel dockPanel, Stream stream, DeserializeDockContent deserializeContent)
        {
            if (dockPanel.Contents.Count != 0)
            {
                throw new InvalidOperationException(ResourceHelper.GetString("DockPanel.LoadFromXml.AlreadyInitialized"));
            }

            EnumConverter      dockStateConverter     = new EnumConverter(typeof(DockState));
            EnumConverter      dockAlignmentConverter = new EnumConverter(typeof(DockAlignment));
            RectangleConverter rectConverter          = new RectangleConverter();

            XmlTextReader xmlIn = new XmlTextReader(stream);

            xmlIn.WhitespaceHandling = WhitespaceHandling.None;
            xmlIn.MoveToContent();

            if (xmlIn.Name != "DockPanel")
            {
                throw new ArgumentException(ResourceHelper.GetString("DockPanel.LoadFromXml.InvalidXmlFormat"));
            }

            string formatVersion = xmlIn.GetAttribute("FormatVersion");

            if (formatVersion != ConfigFileVersion)
            {
                throw new ArgumentException(ResourceHelper.GetString("DockPanel.LoadFromXml.InvalidFormatVersion"));
            }
            DockPanelStruct dockPanelStruct = new DockPanelStruct();

            dockPanelStruct.DockLeftPortion         = Convert.ToDouble(xmlIn.GetAttribute("DockLeftPortion"), CultureInfo.InvariantCulture);
            dockPanelStruct.DockRightPortion        = Convert.ToDouble(xmlIn.GetAttribute("DockRightPortion"), CultureInfo.InvariantCulture);
            dockPanelStruct.DockTopPortion          = Convert.ToDouble(xmlIn.GetAttribute("DockTopPortion"), CultureInfo.InvariantCulture);
            dockPanelStruct.DockBottomPortion       = Convert.ToDouble(xmlIn.GetAttribute("DockBottomPortion"), CultureInfo.InvariantCulture);
            dockPanelStruct.IndexActiveDocumentPane = Convert.ToInt32(xmlIn.GetAttribute("ActiveDocumentPane"));
            dockPanelStruct.IndexActivePane         = Convert.ToInt32(xmlIn.GetAttribute("ActivePane"));

            // Load Contents
            MoveToNextElement(xmlIn);
            if (xmlIn.Name != "Contents")
            {
                throw new ArgumentException(ResourceHelper.GetString("DockPanel.LoadFromXml.InvalidXmlFormat"));
            }
            int countOfContents = Convert.ToInt32(xmlIn.GetAttribute("Count"));

            ContentStruct[] contents = new ContentStruct[countOfContents];
            MoveToNextElement(xmlIn);
            for (int i = 0; i < countOfContents; i++)
            {
                int id = Convert.ToInt32(xmlIn.GetAttribute("ID"));
                if (xmlIn.Name != "Content" || id != i)
                {
                    throw new ArgumentException(ResourceHelper.GetString("DockPanel.LoadFromXml.InvalidXmlFormat"));
                }

                contents[i].PersistString   = xmlIn.GetAttribute("PersistString");
                contents[i].AutoHidePortion = Convert.ToDouble(xmlIn.GetAttribute("AutoHidePortion"), CultureInfo.InvariantCulture);
                contents[i].IsHidden        = Convert.ToBoolean(xmlIn.GetAttribute("IsHidden"));
                contents[i].IsFloat         = Convert.ToBoolean(xmlIn.GetAttribute("IsFloat"));
                MoveToNextElement(xmlIn);
            }

            // Load Panes
            if (xmlIn.Name != "Panes")
            {
                throw new ArgumentException(ResourceHelper.GetString("DockPanel.LoadFromXml.InvalidXmlFormat"));
            }
            int countOfPanes = Convert.ToInt32(xmlIn.GetAttribute("Count"));

            PaneStruct[] panes = new PaneStruct[countOfPanes];
            MoveToNextElement(xmlIn);
            for (int i = 0; i < countOfPanes; i++)
            {
                int id = Convert.ToInt32(xmlIn.GetAttribute("ID"));
                if (xmlIn.Name != "Pane" || id != i)
                {
                    throw new ArgumentException(ResourceHelper.GetString("DockPanel.LoadFromXml.InvalidXmlFormat"));
                }

                panes[i].DockState          = (DockState)dockStateConverter.ConvertFrom(xmlIn.GetAttribute("DockState"));
                panes[i].IndexActiveContent = Convert.ToInt32(xmlIn.GetAttribute("ActiveContent"));
                panes[i].ZOrderIndex        = -1;

                MoveToNextElement(xmlIn);
                if (xmlIn.Name != "Contents")
                {
                    throw new ArgumentException(ResourceHelper.GetString("DockPanel.LoadFromXml.InvalidXmlFormat"));
                }
                int countOfPaneContents = Convert.ToInt32(xmlIn.GetAttribute("Count"));
                panes[i].IndexContents = new int[countOfPaneContents];
                MoveToNextElement(xmlIn);
                for (int j = 0; j < countOfPaneContents; j++)
                {
                    int id2 = Convert.ToInt32(xmlIn.GetAttribute("ID"));
                    if (xmlIn.Name != "Content" || id2 != j)
                    {
                        throw new ArgumentException(ResourceHelper.GetString("DockPanel.LoadFromXml.InvalidXmlFormat"));
                    }

                    panes[i].IndexContents[j] = Convert.ToInt32(xmlIn.GetAttribute("RefID"));
                    MoveToNextElement(xmlIn);
                }
            }

            // Load DockWindows
            if (xmlIn.Name != "DockWindows")
            {
                throw new ArgumentException(ResourceHelper.GetString("DockPanel.LoadFromXml.InvalidXmlFormat"));
            }
            int countOfDockWindows = Convert.ToInt32(xmlIn.GetAttribute("Count"));

            DockWindowStruct[] dockWindows = new DockWindowStruct[countOfDockWindows];
            MoveToNextElement(xmlIn);
            for (int i = 0; i < countOfDockWindows; i++)
            {
                try
                {
                    int id = Convert.ToInt32(xmlIn.GetAttribute("ID"));
                    if (xmlIn.Name != "DockWindow" || id != i)
                    {
                        throw new ArgumentException(ResourceHelper.GetString("DockPanel.LoadFromXml.InvalidXmlFormat"));
                    }

                    dockWindows[i].DockState   = (DockState)dockStateConverter.ConvertFrom(xmlIn.GetAttribute("DockState"));
                    dockWindows[i].ZOrderIndex = Convert.ToInt32(xmlIn.GetAttribute("ZOrderIndex"));
                    MoveToNextElement(xmlIn);
                    if (xmlIn.Name != "DockList")
                    {
                        throw new ArgumentException(ResourceHelper.GetString("DockPanel.LoadFromXml.InvalidXmlFormat"));
                    }
                    int countOfDockList = Convert.ToInt32(xmlIn.GetAttribute("Count"));
                    dockWindows[i].DockList = new DockListItem[countOfDockList];
                    MoveToNextElement(xmlIn);
                    for (int j = 0; j < countOfDockList; j++)
                    {
                        try
                        {
                            int id2 = Convert.ToInt32(xmlIn.GetAttribute("ID"));
                            if (xmlIn.Name != "Pane" || id2 != j)
                            {
                                throw new ArgumentException(ResourceHelper.GetString("DockPanel.LoadFromXml.InvalidXmlFormat"));
                            }
                            dockWindows[i].DockList[j].IndexPane     = Convert.ToInt32(xmlIn.GetAttribute("RefID"));
                            dockWindows[i].DockList[j].IndexPrevPane = Convert.ToInt32(xmlIn.GetAttribute("PrevPane"));
                            dockWindows[i].DockList[j].Alignment     = (DockAlignment)dockAlignmentConverter.ConvertFrom(xmlIn.GetAttribute("Alignment"));
                            dockWindows[i].DockList[j].Proportion    = Convert.ToDouble(xmlIn.GetAttribute("Proportion"), CultureInfo.InvariantCulture);
                            MoveToNextElement(xmlIn);
                        }
                        catch { continue; }
                    }
                }
                catch { continue; }
            }

            // Load FloatWindows
            if (xmlIn.Name != "FloatWindows")
            {
                throw new ArgumentException(ResourceHelper.GetString("DockPanel.LoadFromXml.InvalidXmlFormat"));
            }
            int countOfFloatWindows = Convert.ToInt32(xmlIn.GetAttribute("Count"));

            FloatWindowStruct[] floatWindows = new FloatWindowStruct[countOfFloatWindows];
            MoveToNextElement(xmlIn);
            for (int i = 0; i < countOfFloatWindows; i++)
            {
                int id = Convert.ToInt32(xmlIn.GetAttribute("ID"));
                if (xmlIn.Name != "FloatWindow" || id != i)
                {
                    throw new ArgumentException(ResourceHelper.GetString("DockPanel.LoadFromXml.InvalidXmlFormat"));
                }

                floatWindows[i].Bounds         = (Rectangle)rectConverter.ConvertFromInvariantString(xmlIn.GetAttribute("Bounds"));
                floatWindows[i].AllowRedocking = Convert.ToBoolean(xmlIn.GetAttribute("AllowRedocking"));
                floatWindows[i].ZOrderIndex    = Convert.ToInt32(xmlIn.GetAttribute("ZOrderIndex"));
                MoveToNextElement(xmlIn);
                if (xmlIn.Name != "DockList")
                {
                    throw new ArgumentException(ResourceHelper.GetString("DockPanel.LoadFromXml.InvalidXmlFormat"));
                }
                int countOfDockList = Convert.ToInt32(xmlIn.GetAttribute("Count"));
                floatWindows[i].DockList = new DockListItem[countOfDockList];
                MoveToNextElement(xmlIn);
                for (int j = 0; j < countOfDockList; j++)
                {
                    int id2 = Convert.ToInt32(xmlIn.GetAttribute("ID"));
                    if (xmlIn.Name != "Pane" || id2 != j)
                    {
                        throw new ArgumentException(ResourceHelper.GetString("DockPanel.LoadFromXml.InvalidXmlFormat"));
                    }
                    floatWindows[i].DockList[j].IndexPane     = Convert.ToInt32(xmlIn.GetAttribute("RefID"));
                    floatWindows[i].DockList[j].IndexPrevPane = Convert.ToInt32(xmlIn.GetAttribute("PrevPane"));
                    floatWindows[i].DockList[j].Alignment     = (DockAlignment)dockAlignmentConverter.ConvertFrom(xmlIn.GetAttribute("Alignment"));
                    floatWindows[i].DockList[j].Proportion    = Convert.ToDouble(xmlIn.GetAttribute("Proportion"), CultureInfo.InvariantCulture);
                    MoveToNextElement(xmlIn);
                }
            }
            xmlIn.Close();

            dockPanel.DockLeftPortion   = dockPanelStruct.DockLeftPortion;
            dockPanel.DockRightPortion  = dockPanelStruct.DockRightPortion;
            dockPanel.DockTopPortion    = dockPanelStruct.DockTopPortion;
            dockPanel.DockBottomPortion = dockPanelStruct.DockBottomPortion;

            // Create Contents
            for (int i = 0; i < contents.Length; i++)
            {
                DockContent content = deserializeContent(contents[i].PersistString);
                if (content == null)
                {
                    content = new DummyContent();
                }
                content.DockPanel       = dockPanel;
                content.AutoHidePortion = contents[i].AutoHidePortion;
                content.IsHidden        = true;
                content.IsFloat         = contents[i].IsFloat;
            }

            // Create panes
            for (int i = 0; i < panes.Length; i++)
            {
                DockPane pane = null;
                for (int j = 0; j < panes[i].IndexContents.Length; j++)
                {
                    DockContent content = dockPanel.Contents[panes[i].IndexContents[j]];
                    if (j == 0)
                    {
                        pane = dockPanel.DockPaneFactory.CreateDockPane(content, panes[i].DockState, false);
                    }
                    else if (panes[i].DockState == DockState.Float)
                    {
                        content.FloatPane = pane;
                    }
                    else
                    {
                        content.PanelPane = pane;
                    }
                }
            }

            // Assign Panes to DockWindows
            for (int i = 0; i < dockWindows.Length; i++)
            {
                for (int j = 0; j < dockWindows[i].DockList.Length; j++)
                {
                    DockWindow    dw            = dockPanel.DockWindows[dockWindows[i].DockState];
                    int           indexPane     = dockWindows[i].DockList[j].IndexPane;
                    DockPane      pane          = dockPanel.Panes[indexPane];
                    int           indexPrevPane = dockWindows[i].DockList[j].IndexPrevPane;
                    DockPane      prevPane      = (indexPrevPane == -1) ? dw.DockList.GetDefaultPrevPane(pane) : dockPanel.Panes[indexPrevPane];
                    DockAlignment alignment     = dockWindows[i].DockList[j].Alignment;
                    double        proportion    = dockWindows[i].DockList[j].Proportion;
                    pane.AddToDockList(dw, prevPane, alignment, proportion);
                    if (panes[indexPane].DockState == dw.DockState)
                    {
                        panes[indexPane].ZOrderIndex = dockWindows[i].ZOrderIndex;
                    }
                }
            }

            // Create float windows
            for (int i = 0; i < floatWindows.Length; i++)
            {
                FloatWindow fw = null;
                for (int j = 0; j < floatWindows[i].DockList.Length; j++)
                {
                    int      indexPane = floatWindows[i].DockList[j].IndexPane;
                    DockPane pane      = dockPanel.Panes[indexPane];
                    if (j == 0)
                    {
                        fw = dockPanel.FloatWindowFactory.CreateFloatWindow(dockPanel, pane, floatWindows[i].Bounds);
                    }
                    else
                    {
                        int           indexPrevPane = floatWindows[i].DockList[j].IndexPrevPane;
                        DockPane      prevPane      = indexPrevPane == -1 ? null : dockPanel.Panes[indexPrevPane];
                        DockAlignment alignment     = floatWindows[i].DockList[j].Alignment;
                        double        proportion    = floatWindows[i].DockList[j].Proportion;
                        pane.AddToDockList(fw, prevPane, alignment, proportion);
                        if (panes[indexPane].DockState == fw.DockState)
                        {
                            panes[indexPane].ZOrderIndex = floatWindows[i].ZOrderIndex;
                        }
                    }
                }
            }

            // sort DockContent by its Pane's ZOrder
            int[] sortedContents = null;
            if (contents.Length > 0)
            {
                sortedContents = new int[contents.Length];
                for (int i = 0; i < contents.Length; i++)
                {
                    sortedContents[i] = i;
                }

                int lastDocument = contents.Length;
                for (int i = 0; i < contents.Length - 1; i++)
                {
                    for (int j = i + 1; j < contents.Length; j++)
                    {
                        DockPane pane1        = dockPanel.Contents[sortedContents[i]].Pane;
                        int      ZOrderIndex1 = pane1 == null ? 0 : panes[dockPanel.Panes.IndexOf(pane1)].ZOrderIndex;
                        DockPane pane2        = dockPanel.Contents[sortedContents[j]].Pane;
                        int      ZOrderIndex2 = pane2 == null ? 0 : panes[dockPanel.Panes.IndexOf(pane2)].ZOrderIndex;
                        if (ZOrderIndex1 > ZOrderIndex2)
                        {
                            int temp = sortedContents[i];
                            sortedContents[i] = sortedContents[j];
                            sortedContents[j] = temp;
                        }
                    }
                }
            }

            // show non-document DockContent first to avoid screen flickers
            for (int i = 0; i < contents.Length; i++)
            {
                DockContent content = dockPanel.Contents[sortedContents[i]];
                if (content.Pane != null && content.Pane.DockState != DockState.Document)
                {
                    content.IsHidden = contents[sortedContents[i]].IsHidden;
                }
            }

            // after all non-document DockContent, show document DockContent
            for (int i = 0; i < contents.Length; i++)
            {
                DockContent content = dockPanel.Contents[sortedContents[i]];
                if (content.Pane != null && content.Pane.DockState == DockState.Document)
                {
                    content.IsHidden = contents[sortedContents[i]].IsHidden;
                }
            }

            for (int i = 0; i < panes.Length; i++)
            {
                dockPanel.Panes[i].ActiveContent = panes[i].IndexActiveContent == -1 ? null : dockPanel.Contents[panes[i].IndexActiveContent];
            }

            if (dockPanelStruct.IndexActiveDocumentPane != -1)
            {
                dockPanel.Panes[dockPanelStruct.IndexActiveDocumentPane].Activate();
            }

            if (dockPanelStruct.IndexActivePane != -1)
            {
                dockPanel.Panes[dockPanelStruct.IndexActivePane].Activate();
            }

            for (int i = dockPanel.Contents.Count - 1; i >= 0; i--)
            {
                if (dockPanel.Contents[i] is DummyContent)
                {
                    dockPanel.Contents[i].Close();
                }
            }
        }
 protected override string GetLocalizedString(string key)
 {
     return(ResourceHelper.GetString(key));
 }
Exemple #10
0
        internal void SetDockState(bool isHidden, DockState visibleState, DockPane oldPane)
        {
            if (m_countSetDockState != 0)
            {
                return;
            }

            if (DockPanel == null && visibleState != DockState.Unknown)
            {
                throw new InvalidOperationException(ResourceHelper.GetString("DockContent.SetDockState.NullPanel"));
            }

            if (visibleState == DockState.Hidden || (visibleState != DockState.Unknown && !IsDockStateValid(visibleState)))
            {
                throw new InvalidOperationException(ResourceHelper.GetString("DockContent.SetDockState.InvalidState"));
            }

            SuspendSetDockState();

            DockState oldDockState = DockState;

            if (m_isHidden != isHidden)
            {
                m_isHidden = isHidden;
                Visible    = !isHidden;
                if (HiddenMdiChild != null)
                {
                    HiddenMdiChild.Visible = (!IsHidden);
                }
            }
            m_visibleState = visibleState;
            m_dockState    = isHidden ? DockState.Hidden : visibleState;

            if (visibleState != DockState.Unknown)
            {
                m_isFloat = (m_visibleState == DockState.Float);

                if (Pane == null)
                {
                    Pane = DockPanel.DockPaneFactory.CreateDockPane(this, visibleState, true);
                }
                else if (Pane.DockState != visibleState)
                {
                    if (Pane.Contents.Count == 1)
                    {
                        Pane.SetDockState(visibleState);
                    }
                    else
                    {
                        Pane = DockPanel.DockPaneFactory.CreateDockPane(this, visibleState, true);
                    }
                }
            }
            else
            {
                Pane = null;
            }

            SetParent(Pane);

            if (oldPane != null && !oldPane.IsDisposed && oldDockState == oldPane.DockState)
            {
                RefreshDockPane(oldPane);
            }

            if (Pane != null && DockState == Pane.DockState)
            {
                if ((Pane != oldPane) ||
                    (Pane == oldPane && oldDockState != oldPane.DockState))
                {
                    RefreshDockPane(Pane);
                }
            }

            if (oldDockState != DockState)
            {
                RefreshMdiIntegration();
                OnDockStateChanged(EventArgs.Empty);
            }
            ResumeSetDockState();
        }