在PB中定位到一个文件夹，不适用explorer,该怎么解决

在PB中定位到一个文件夹，不适用explorer
如题！
就像是从我的电脑，进入F盘，再双击打开Downloads文件夹那样，直接定位到Downloads


------解决方案--------------------
FUNCTION Long ShellExecute(Long hwnd, String lpOperation, String lpFile, String lpParameters, String lpDirectory, Long nShowCmd) LIBRARY "shell32.dll" ALIAS FOR "ShellExecuteA" 

Constant Long SW_SHOWNORMAL = 1

//资源管理器 - 根目录, 指定驱动器树形浏览视图
ls_Topic = "Open"
ls_File = "explorer.exe"
ls_Params = "F:\download"
SetNull(ls_Directory)

ShellExecute(0, ls_Topic, ls_File, ls_Params, ls_Directory, SW_SHOWNORMAL)
------解决方案--------------------

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