用VS2005开发的基于ComboBox的颜色选择控件。

自己写的一个扩展组合框控件，实现可以复选的下拉列表框-ComboBox control with check box

ComboTree is a hybrid ComboBox with a tree control replacing the drop down ListBox. Implementing a hierarchy of choices using multiple dependant combo or list boxes can take up a lot of screen space and can be awkward to use. A dropdown tree control

本程序源码主要是教你怎样在DataGridView中使用ComboBox，开发用VS2005 源代码完整，可直接使用。 已通过测试。-This procedure source code mainly to teach you how to DataGridView using ComboBox, the development with the VS2005 source code integrity, and can be used directly. Has been tested.