add some demos & styles

1. add window demo
2. add scrollviewer demo
3. add radiobutton style
4. fixed some bugs
5. add research project

DockContainerResearch/Properties/AssemblyInfo.cs

@@ -0,0 +1,16 @@
+using System.Reflection;
+using System.Runtime.InteropServices;
+using System.Windows;
+
+[assembly: AssemblyTitle("DockContainerResearch")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("DockContainerResearch")]
+[assembly: AssemblyCopyright("Copyright © NaBian 2018")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+[assembly: ComVisible(false)]
+[assembly: ThemeInfo(ResourceDictionaryLocation.None, ResourceDictionaryLocation.SourceAssembly)]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]