diff -r c9b8b9e0cfe8 -r d781436e2490 ui/wpf/UIcore/Window.cs
--- a/ui/wpf/UIcore/Window.cs	Mon Jan 23 10:50:22 2017 +0100
+++ b/ui/wpf/UIcore/Window.cs	Mon Jan 23 12:17:34 2017 +0100
@@ -80,7 +80,7 @@
             RowDefinition contentRow = new RowDefinition();
             contentRow.Height = new GridLength(1, GridUnitType.Star);
             windowGrid.RowDefinitions.Add(contentRow);
-            BoxContainer vbox = new BoxContainer(BoxOrientation.VERTICAL);
+            BoxContainer vbox = new BoxContainer(BoxOrientation.VERTICAL, 0, 0);
             Grid.SetColumn(vbox, 0);
             Grid.SetRow(vbox, rowIndex);
             windowGrid.Children.Add(vbox);