public MainWindow()
{
InitializeComponent();
CreatePropertyGrid();
DataContext = new MockViewModel();
//var dockableContent = new DockableContent() { Title = "Test", Content = new TextBox() };
//dockableContent.Show(DockManager, AnchorStyle.Bottom);
//var dockableContent2 = new DockableContent() { Title = "Test2", Content = new TextBox() };
//dockableContent.ContainerPane.Items.Add(dockableContent2);
//for (int i = 0; i < 20; i++)
// OnCreateNewDocumentContent(null, null);
}