I have been using AvalonDock 1.3 for some time. Recently I reinstalled Windows (Windows 8 Release Preview) and installed Visual Studio 2012sp1 and 2012RC and AvalonDock 1.3.
Now, when I open a DockableContent it only shows below icon instead of the Window.
But when I build and run the project, all DockableContents are shown correctly.
sample code -
Please help me.