How to write a Application programe?look like ...

[a904003695]

1, like a thunderbolt look at players on the left side of the hierarchical classification controls how to write? Classification tree structure; There are 2 layer menu; The function of the popup menu on the left 2, like cool dog interface code examples, mainly is the search function that conform to control? 3, a Button Button, at the same time, the compound with a drop-down list Button? 4, open the file directory, and select the file? Open the browse dialog box, there are new folder button (not the default system)? 5, the resources of browsers listed the entire disk?