1 LRESULT OnDropFiles(UINT uMsg, WPARAM wParam, LPARAM lParam)
 2 {
 3     HDROP hDropInfo = (HDROP)wParam;
 4 
 5     TCHAR filePath[80*MAX_PATH] = {0};
 6 
 7     int nFileCount;
 8 
 9     nFileCount = ::DragQueryFile(hDropInfo , 0xFFFFFFFF, NULL, 0);//获取文件个数
10 
11     //获取拖拽的文件的路径
12     for (int i = 0 ;i < nFileCount ; i++)
13     {
14          ::DragQueryFile(hDropInfo , i , (LPTSTR)filePath ,1024);
15 
16          std::vector<wstring> vctString(1, filePath);
17 
18          wstring wstrFile = filePath;
19 
20          m_attString.push_back(wstrFile);//文件路径保存下来,CreateMail时使用
21 
22          AddFiles(vctString);
23     }
24     
25     ::DragFinish   (hDropInfo);
26 
27     return 0;
28 }