Introduction - If you have any usage issues, please Google them yourself
QQ strongly recommend folding menu C# control. Software Description: XP system with collapsible menu on the left, like, you can collapse, expand, you can define their own color, own research it, a very useful source, style and outlook about the left menu! I myself have in use, I use the erp project which, haha, it was great, probably steps: 1. In your solution add " existing project" , be added to find BSE.Windows.Forms.cspro → 2. In reference to your own projects which have added items → 3. run about to complete, have friends in the left toolbox. Probably is the process, be sure to reference.