WeifenLuo.WinFormsUI.Docking 界面布局控件，功能非常强大，

WeifenLuo.WinFormsUI.Docking是一个开源的C#WinForm界面布局控件，功能非常强大，可以像VS那样自由拖拽和停靠窗体。里面包含源码和帮助文档和一个例子程序。帮助文档看不懂可以参照例子程序。-WeifenLuo.WinFormsUI.Docking is an open source C# WinForm interface layout control, very powerful, you can drag and drop, and as free as the VS docking form. The file contains the source code and help documentation and an example program. if you cann t read help documentation ,you can look at an example program.