软件说明：
跟XP系统左侧可折叠式菜单一样，可以折叠、展开，可以自己定义颜色，自己研究吧，非常有用的一个源码，样式和outlook左侧菜单差不多！我自己就在用，我用在erp项目里面，哈哈，很爽啊，大概步骤： 1.在你的解决方案里添加“现有项目”，找到BSE.Windows.Forms.cspro添加进去→2.在你自己的工程里面引用刚才添加的项目→3.运行一下，完成，在左边工具箱中就有啦。大概过程就是这样，反正死活就是要先引用。
资源文件列表
OutlookBar/bin/Debug/BSE.Windows.Forms.dll , 61440
OutlookBar/bin/Debug/BSE.Windows.Forms.pdb , 101888
OutlookBar/BSE.Windows.Forms.csproj , 4316
OutlookBar/BSE.Windows.Forms.csproj.user , 406
OutlookBar/BSE.Windows.Forms.suo , 3584
OutlookBar/obj/BSE.Windows.Forms.csproj.FileList.txt , 556
OutlookBar/obj/Debug/BSE.Windows.Forms.csproj.GenerateResource.Cache , 1090
OutlookBar/obj/Debug/BSE.Windows.Forms.dll , 61440
OutlookBar/obj/Debug/BSE.Windows.Forms.Panel.resources , 180
OutlookBar/obj/Debug/BSE.Windows.Forms.pdb , 101888
OutlookBar/obj/Debug/BSE.Windows.Forms.Properties.Resources.resources , 1167
OutlookBar/obj/Debug/BSE.Windows.Forms.Resources.chevron_down.png , 167
OutlookBar/obj/Debug/BSE.Windows.Forms.Resources.chevron_up.png , 151
OutlookBar/obj/Debug/BSE.Windows.Forms.XPanderPanel.resources , 2936
OutlookBar/obj/Debug/BSE.Windows.Forms.XPanderPanelList.resources , 2940
OutlookBar/obj/Debug/Refactor/BSE.Windows.Forms.dll , 28672
OutlookBar/obj/Debug/TempPE/Properties.Resources.Designer.cs.dll , 4608
OutlookBar/Properties/AssemblyInfo.cs , 1411
OutlookBar/Properties/Resources.Designer.cs , 3720
OutlookBar/Properties/Resources.resx , 6580
OutlookBar/Properties/Settings.settings , 433
OutlookBar/Resources/chevron_down.png , 167
OutlookBar/Resources/chevron_up.png , 151
OutlookBar/XPander/BasePanel.cs , 21118
OutlookBar/XPander/ColorScheme.cs , 981
OutlookBar/XPander/IPanel.cs , 586
OutlookBar/XPander/Panel.cs , 19275
OutlookBar/XPander/Panel.designer.cs , 1000
OutlookBar/XPander/Panel.resx , 1733
OutlookBar/XPander/PanelStyle.cs , 574
OutlookBar/XPander/XPanderPanel.cs , 20473
OutlookBar/XPander/XPanderPanel.designer.cs , 1146
OutlookBar/XPander/XPanderPanel.resx , 6439
OutlookBar/XPander/XPanderPanelClickEventArgs.cs , 548
OutlookBar/XPander/XPanderPanelList.cs , 29472
OutlookBar/XPander/XPanderPanelList.designer.cs , 1179
OutlookBar/XPander/XPanderPanelList.resx , 6443
OutlookBar/操作说明.txt , 389