预览任何文件类型与已安装的预览处理程序，如视频，字体，Office文档和文本文件。使用IPreviewHandler。 需要oleexp3.tlb：-Preview any file type with an installed preview handler, such as videos, fonts, Office docs, and text files. Uses IPreviewHandler. Requires oleexp3.tlb: http://www.vbforum

Demonstrates IImageList, IImageList2, IShellImageData, and ITranscodeImage usage in VB. Requires oleexp3.tlb: http://www.vbforums.com/showthread.php?786079-VB6-Modern-Shell-Interface-Type-Library-oleexp-tlb