combobox实现下拉框多选

[{"title":"（ 49 个子文件 65KB ） combobox实现下拉框多选","children":[{"title":"CheckBoxComboBox","children":[{"title":"CheckBoxComboBox.sln <span style='color:#111;'> 1.39KB </span>","children":null,"spread":false},{"title":"CheckBoxComboBox.suo <span style='color:#111;'> 20.00KB </span>","children":null,"spread":false},{"title":"DemoApp","children":[{"title":"bin","children":[{"title":"Debug","children":[{"title":"DemoApp.vshost.exe <span style='color:#111;'> 13.99KB </span>","children":null,"spread":false},{"title":"CheckBoxComboBox.dll <span style='color:#111;'> 35.00KB </span>","children":null,"spread":false},{"title":"DemoApp.vshost.exe.manifest <span style='color:#111;'> 490B </span>","children":null,"spread":false},{"title":"DemoApp.exe <span style='color:#111;'> 14.50KB </span>","children":null,"spread":false},{"title":"CheckBoxComboBox.pdb <span style='color:#111;'> 93.50KB </span>","children":null,"spread":false},{"title":"DemoApp.pdb <span style='color:#111;'> 27.50KB </span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":"Form1.Designer.cs <span style='color:#111;'> 11.46KB </span>","children":null,"spread":false},{"title":"Program.cs <span style='color:#111;'> 499B </span>","children":null,"spread":false},{"title":"obj","children":[{"title":"Debug","children":[{"title":"DemoApp.csproj.GenerateResource.Cache <span style='color:#111;'> 847B </span>","children":null,"spread":false},{"title":"DemoApp.Form1.resources <span style='color:#111;'> 180B </span>","children":null,"spread":false},{"title":"DemoApp.exe <span style='color:#111;'> 14.50KB </span>","children":null,"spread":false},{"title":"DemoApp.Properties.Resources.resources <span style='color:#111;'> 180B </span>","children":null,"spread":false},{"title":"ResolveAssemblyReference.cache <span style='color:#111;'> 5.03KB </span>","children":null,"spread":false},{"title":"TempPE","children":null,"spread":false},{"title":"DemoApp.csproj.FileListAbsolute.txt <span style='color:#111;'> 852B </span>","children":null,"spread":false},{"title":"DemoApp.pdb <span style='color:#111;'> 27.50KB </span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":"DemoApp.csproj <span style='color:#111;'> 3.81KB </span>","children":null,"spread":false},{"title":"DemoApp.csproj.user <span style='color:#111;'> 328B </span>","children":null,"spread":false},{"title":"Form1.cs <span style='color:#111;'> 4.38KB </span>","children":null,"spread":false},{"title":"Form1.resx <span style='color:#111;'> 5.68KB </span>","children":null,"spread":false},{"title":"Statusses.cs <span style='color:#111;'> 1.04KB </span>","children":null,"spread":false},{"title":"DataTableWrappers.cs <span style='color:#111;'> 454B </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;'> 1.40KB </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;'> 2.78KB </span>","children":null,"spread":false}],"spread":false}],"spread":false},{"title":"CheckBoxComboBox","children":[{"title":"bin","children":[{"title":"Debug","children":[{"title":"CheckBoxComboBox.dll <span style='color:#111;'> 35.00KB </span>","children":null,"spread":false},{"title":"CheckBoxComboBox.pdb <span style='color:#111;'> 93.50KB </span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":"CheckBoxComboBox.csproj <span style='color:#111;'> 3.36KB </span>","children":null,"spread":false},{"title":"NativeMethods.cs <span style='color:#111;'> 1.83KB </span>","children":null,"spread":false},{"title":"obj","children":[{"title":"Debug","children":[{"title":"CheckBoxComboBox.csproj.GenerateResource.Cache <span style='color:#111;'> 782B </span>","children":null,"spread":false},{"title":"PresentationControls.PopupComboBox.resources <span style='color:#111;'> 180B </span>","children":null,"spread":false},{"title":"CheckBoxComboBox.dll <span style='color:#111;'> 35.00KB </span>","children":null,"spread":false},{"title":"TempPE","children":null,"spread":false},{"title":"CheckBoxComboBox.csproj.FileListAbsolute.txt <span style='color:#111;'> 711B </span>","children":null,"spread":false},{"title":"CheckBoxComboBox.pdb <span style='color:#111;'> 93.50KB </span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":"PopupComboBox.Designer.cs <span style='color:#111;'> 1.29KB </span>","children":null,"spread":false},{"title":"CheckBoxComboBox.Designer.cs <span style='color:#111;'> 1.05KB </span>","children":null,"spread":false},{"title":"CheckBoxComboBox.cs <span style='color:#111;'> 35.12KB </span>","children":null,"spread":false},{"title":"Popup.cs <span style='color:#111;'> 20.06KB </span>","children":null,"spread":false},{"title":"PopupComboBox.resx <span style='color:#111;'> 5.85KB </span>","children":null,"spread":false},{"title":"Selection Wrappers","children":[{"title":"ListSelectionWrapper.cs <span style='color:#111;'> 9.37KB </span>","children":null,"spread":false},{"title":"ObjectSelectionWrapper.cs <span style='color:#111;'> 4.81KB </span>","children":null,"spread":false}],"spread":true},{"title":"CheckBoxComboBox.csproj.user <span style='color:#111;'> 168B </span>","children":null,"spread":false},{"title":"Popup.Designer.cs <span style='color:#111;'> 1.32KB </span>","children":null,"spread":false},{"title":"PopupComboBox.cs <span style='color:#111;'> 5.82KB </span>","children":null,"spread":false},{"title":"GripBounds.cs <span style='color:#111;'> 3.00KB </span>","children":null,"spread":false},{"title":"Properties","children":[{"title":"AssemblyInfo.cs <span style='color:#111;'> 1.41KB </span>","children":null,"spread":false}],"spread":false}],"spread":false}],"spread":true}],"spread":true}]