WPF实现SplitPanel效果

[{"title":"（ 16 个子文件 25KB ） WPF实现SplitPanel效果","children":[{"title":"WindowGridSplit.suo <span style='color:#111;'> 16.50KB </span>","children":null,"spread":false},{"title":"WindowGridSplit.sln <span style='color:#111;'> 935B </span>","children":null,"spread":false},{"title":"WindowGridSplit","children":[{"title":"App.xaml <span style='color:#111;'> 296B </span>","children":null,"spread":false},{"title":"bin","children":[{"title":"Debug","children":[{"title":"WindowGridSplit.vshost.exe <span style='color:#111;'> 13.99KB </span>","children":null,"spread":false},{"title":"WindowGridSplit.vshost.exe.manifest <span style='color:#111;'> 490B </span>","children":null,"spread":false},{"title":"WindowGridSplit.exe <span style='color:#111;'> 9.50KB </span>","children":null,"spread":false},{"title":"WindowGridSplit.pdb <span style='color:#111;'> 27.50KB </span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":"Window1.xaml.cs <span style='color:#111;'> 627B </span>","children":null,"spread":false},{"title":"App.xaml.cs <span style='color:#111;'> 317B </span>","children":null,"spread":false},{"title":"Window1.xaml <span style='color:#111;'> 2.66KB </span>","children":null,"spread":false},{"title":"Properties","children":[{"title":"AssemblyInfo.cs <span style='color:#111;'> 2.25KB </span>","children":null,"spread":false},{"title":"Settings.Designer.cs <span style='color:#111;'> 1.07KB </span>","children":null,"spread":false},{"title":"Resources.resx <span style='color:#111;'> 5.48KB </span>","children":null,"spread":false},{"title":"Settings.settings <span style='color:#111;'> 201B </span>","children":null,"spread":false},{"title":"Resources.Designer.cs <span style='color:#111;'> 2.79KB </span>","children":null,"spread":false}],"spread":true},{"title":"WindowGridSplit.csproj <span style='color:#111;'> 4.13KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]