带组合框的树形控件，希望能用上，程序很简单！-The tree with combo box control, hoping, the procedure is very simple!

包含两个文件，主要用于显示树状目录的组合框类-Contains two files, mainly used to display the directory tree combo box classes

TreeListCtrl,在ListCtrl控件中建立树形结构，能够嵌入组合框和编辑框，并且根据数据类型来检查数据的合法性，可以设置维度来直接插入一个若干维的数据-TreeListCtrl, established in ListCtrl control tree structure can be embedded combo boxes and edit boxes, and according to the data type to check the legitimacy of data