--- a/ui/wpf/UIcore/UIcore.csproj Sun Jan 22 18:02:45 2017 +0100 +++ b/ui/wpf/UIcore/UIcore.csproj Mon Jan 23 10:50:22 2017 +0100 @@ -48,6 +48,7 @@ <ItemGroup> <Compile Include="Container.cs" /> <Compile Include="Controls.cs" /> + <Compile Include="DrawingArea.cs" /> <Compile Include="MainToolBar.cs" /> <Compile Include="Menu.cs" /> <Compile Include="TextArea.cs" />