巨快的速度求得某一个目录的大小

用Scripting Runtime

//------------------------------------------------------------

#include "comobj.hpp"

Variant fs, folder;

Function GetFolder("GetFolder");

PropertyGet GetSize("size");

fs = Variant::CreateObject("Scripting.FileSystemObject");

folder = fs.Exec(GetFolder << "D:\\Winnt");

ShowMessage(folder.Exec(GetSize));