Hi Guys,

I am developing a Windows App using C# 4.0. I have an MDI Application and when I add MDIChild forms to this app in maximize state there restore button is displayed although I have set control box to false, maximize box to false and minimize box to false. I want my child form to be always maximized. When i click the restore button it resizes to small size which I don't want.

Anyone please help.
Afraz Ali

I have been using the RadDock control to manage my MDIs for me. This has been reasonably successful until I save a layout to reload later.

I am trying to reload the content using radDock1_DockWindowAdded()

                    if (e.DockWindow.Name.StartsWith("input1"))
                    {
                        input1 in1 = new input1();
                        in1.Text = e.DockWindow.Text;
                        in1.MdiParent = this;
                        ((HostWindow)e.DockWindow).LoadContent(in1);
This appears to work but I get an exception 

System.NullReferenceException: Object reference not set to an instance of an object.
   at Telerik.WinControls.UI.Docking.RadDock.RegisterWindow(DockWindow dockWindow)
   at Telerik.WinControls.UI.Docking.RadDock.EnsureRegisteredWindow(DockWindow window, RadDockTransaction transaction)
   at Telerik.WinControls.UI.Docking.RadDock.EnsureTransaction(RadDockTransaction transaction)
   at Telerik.WinControls.UI.Docking.RadDock.CommitTransaction(RadDockTransaction transaction)
   at Telerik.WinControls.UI.Docking.RadDock.CommitTransactions()
   at Telerik.WinControls.UI.Docking.RadDock.EndTransactionBlock()
   at Telerik.WinControls.UI.Docking.RadDock.LoadFromNewXml(XmlReader reader)
   at Telerik.WinControls.UI.Docking.RadDock.LoadFromXmlCore(XmlReader reader, Boolean oldXmlFormat)
   at Telerik.WinControls.UI.Docking.RadDock.LoadFromXml(String fileName)
   at TELMDI.Form1.LoadSavedLayout()

and the radDock1_LoadedFromXml never fires.

When I check my raddock1.MDIChildren they all appear to be there and they are also correctly applied on screen.

But when I then try to add new MDIs I cannot set the parent to be this; so something obviously gets corrupted.

If instead I change the order so that I LoadContent and then set MDI I get 2 new windows and the following exception
                        input1 in1 = new input1();
                        in1.Text = e.DockWindow.Text;
                        ((HostWindow)e.DockWindow).LoadContent(in1);
                        in1.MdiParent = this;

'System.InvalidOperationException' occurred in Telerik.WinControls.RadDock.dll
14:26:09 DockWindowAdded input13=System.InvalidOperationException: Cannot reload content for a HostWindow, which is bound to a MDI Child.
   at Telerik.WinControls.UI.Docking.HostWindow.VerifyContentChange()
   at Telerik.WinControls.UI.Docking.HostWindow.LoadContent(Control content)
   at TELMDI.Form1.radDock1_DockWindowAdded(Object sender, DockWindowEventArgs e) in E:\VS2008 Projects\telerik_test\TELMDI\Form1.cs:line 153

Does anyone know the correct way of reloading MDI content after loadfromxml?

 Thanks in advance.

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