getopenfilename的问题
OPENFILENAME ofn
ZeroMemory(&ofn, sizeof(ofn));
ofn.hwndOwner = hwnd;
ofn.lStructSize = sizeof(ofn);
ofn.lpstrFile = szFile;
ofn.lpstrFile[0] = '\0';
ofn.nMaxFile = sizeof(szFile);
ofn.lpstrFilter = L"All\0*.*\0Text\0*.TXT\0";
ofn.nFilterIndex = 1;
ofn.lpstrFileTitle = NULL;
ofn.nMaxFileTitle = 0;
ofn.lpstrInitialDir = NULL;
ofn.hInstance=hInst;
ofn.Flags = OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST;
GetOpenFileName(&ofn)返回正确,但是szFile没有打开文件的目录,不知道为什么