chart游标跟随并悬停显示ToolTip

[{"title":"（ 25 个子文件 42KB ） chart游标跟随并悬停显示ToolTip","children":[{"title":"CursorPre","children":[{"title":"CursorPre.suo <span style='color:#111;'> 20.00KB </span>","children":null,"spread":false},{"title":"CursorPre.sln <span style='color:#111;'> 869B </span>","children":null,"spread":false},{"title":"CursorPre","children":[{"title":"bin","children":[{"title":"Debug","children":[{"title":"CursorPre.vshost.exe <span style='color:#111;'> 11.33KB </span>","children":null,"spread":false},{"title":"CursorPre.exe <span style='color:#111;'> 9.50KB </span>","children":null,"spread":false},{"title":"CursorPre.pdb <span style='color:#111;'> 25.50KB </span>","children":null,"spread":false},{"title":"CursorPre.vshost.exe.manifest <span style='color:#111;'> 490B </span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":"Form1.Designer.cs <span style='color:#111;'> 3.35KB </span>","children":null,"spread":false},{"title":"CursorPre.csproj <span style='color:#111;'> 3.66KB </span>","children":null,"spread":false},{"title":"Program.cs <span style='color:#111;'> 490B </span>","children":null,"spread":false},{"title":"obj","children":[{"title":"x86","children":[{"title":"Debug","children":[{"title":"CursorPre.exe <span style='color:#111;'> 9.50KB </span>","children":null,"spread":false},{"title":"CursorPre.pdb <span style='color:#111;'> 25.50KB </span>","children":null,"spread":false},{"title":"CursorPre.Form1.resources <span style='color:#111;'> 180B </span>","children":null,"spread":false},{"title":"CursorPre.csproj.FileListAbsolute.txt <span style='color:#111;'> 1.40KB </span>","children":null,"spread":false},{"title":"DesignTimeResolveAssemblyReferencesInput.cache <span style='color:#111;'> 6.36KB </span>","children":null,"spread":false},{"title":"DesignTimeResolveAssemblyReferences.cache <span style='color:#111;'> 6.13KB </span>","children":null,"spread":false},{"title":"TempPE","children":null,"spread":false},{"title":"CursorPre.csprojResolveAssemblyReference.cache <span style='color:#111;'> 9.78KB </span>","children":null,"spread":false},{"title":"CursorPre.Properties.Resources.resources <span style='color:#111;'> 180B </span>","children":null,"spread":false},{"title":"CursorPre.csproj.GenerateResource.Cache <span style='color:#111;'> 975B </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true},{"title":"Form1.cs <span style='color:#111;'> 1.71KB </span>","children":null,"spread":false},{"title":"Form1.resx <span style='color:#111;'> 5.68KB </span>","children":null,"spread":false},{"title":"Properties","children":[{"title":"Resources.resx <span style='color:#111;'> 5.48KB </span>","children":null,"spread":false},{"title":"Settings.settings <span style='color:#111;'> 249B </span>","children":null,"spread":false},{"title":"AssemblyInfo.cs <span style='color:#111;'> 1.32KB </span>","children":null,"spread":false},{"title":"Settings.Designer.cs <span style='color:#111;'> 1.07KB </span>","children":null,"spread":false},{"title":"Resources.Designer.cs <span style='color:#111;'> 2.80KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}],"spread":true}]