TreeComboBox的使用例子（向TreeComboBox中插入相关信息）-TreeComboBox the use of examples (to insert the relevant TreeComboBox information)

C# 写的一个控件，combobox 下拉树，数据可以根据自己的需要进行数据的递归绑定-C# to write a control, combobox drop-down tree, data can be carried out according to their needs recursive data binding

下拉框combobox控件，结合treeview控件的混合功能，比较好用(Drop-down box combobox control, combined with treeview control of the mixed function, relatively easy to use)