get_directory(dname)

void ClientResize(HWND hWnd, int nWidth, int nHeight)
{
    RECT rcClient, rcWind;
    POINT ptDiff;
    GetClientRect(hWnd, &rcClient);
    GetWindowRect(hWnd, &rcWind);
    ptDiff.x = (rcWind.right - rcWind.left) - rcClient.right;
    ptDiff.y = (rcWind.bottom - rcWind.top) - rcClient.bottom;
    MoveWindow(hWnd, rcWind.left, rcWind.top, nWidth + ptDiff.x, nHeight + ptDiff.y, TRUE);
}

static UINT APIENTRY OFNHookProcOldStyle(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    if (uMsg == WM_INITDIALOG)
    {
        ClientResize(hWnd, 424, 255);

        RECT rect;
        GetWindowRect(hWnd, &rect);
        MoveWindow(hWnd, (GetSystemMetrics(SM_CXSCREEN) / 2) - ((rect.right - rect.left) / 2), (GetSystemMetrics(SM_CYSCREEN) / 2) - ((rect.bottom - rect.top) / 2), rect.right - rect.left, rect.bottom - rect.top, true);

        HWND bttn1 = GetDlgItem(hWnd, GetDlgCtrlID(FindWindowEx(hWnd, NULL, "Button", "OK")));
        HWND bttn2 = GetDlgItem(hWnd, GetDlgCtrlID(FindWindowEx(hWnd, NULL, "Button", "Cancel")));
        HWND list1 = GetDlgItem(hWnd, GetDlgCtrlID(FindWindowEx(hWnd, NULL, "ListBox", NULL)));
        HWND list2 = GetDlgItem(hWnd, GetDlgCtrlID(FindWindowEx(hWnd, list1, "ListBox", NULL)));
        HWND label1 = GetDlgItem(hWnd, GetDlgCtrlID(FindWindowEx(hWnd, NULL, "Static", "File &name:")));
        HWND label2 = GetDlgItem(hWnd, GetDlgCtrlID(FindWindowEx(hWnd, NULL, "Static", "&Folders:")));
        HWND label3 = GetDlgItem(hWnd, GetDlgCtrlID(FindWindowEx(hWnd, NULL, "Static", "List files of &type:")));
        HWND label4 = GetDlgItem(hWnd, GetDlgCtrlID(FindWindowEx(hWnd, NULL, "Static", "Dri&ves:")));
        HWND label5 = GetDlgItem(hWnd, GetDlgCtrlID(FindWindowEx(hWnd, label2, "Static", NULL)));
        HWND cmbbx1 = GetDlgItem(hWnd, GetDlgCtrlID(FindWindowEx(hWnd, NULL, "ComboBox", NULL)));
        HWND cmbbx2 = GetDlgItem(hWnd, GetDlgCtrlID(FindWindowEx(hWnd, cmbbx1, "ComboBox", NULL)));
        HWND txtbx1 = GetDlgItem(hWnd, GetDlgCtrlID(FindWindowEx(hWnd, NULL, "Edit", NULL)));

        SetWindowText(label1, "&Files: (*.*)");
        SetWindowText(label2, "&Directories:");
        SetWindowText(label3, "Directory &Name:");
        SetWindowText(label4, "D&rives:");
        EnableWindow(list1, FALSE);
        DestroyWindow(cmbbx1);
        DestroyWindow(txtbx1);

        MoveWindow(bttn1, 257, 225, 74, 27, true);
        MoveWindow(bttn2, 341, 225, 74, 27, true);
        MoveWindow(label1, 232, 56, 72, 16, true);
        MoveWindow(label2, 8, 56, 72, 16, true);
        MoveWindow(label3, 8, 8, 93, 16, true);
        MoveWindow(label4, 232, 176, 50, 16, true);
        MoveWindow(label5, 8, 24, 409, 16, true);
        MoveWindow(list1, 232, 72, 185, 93, true);
        MoveWindow(list2, 8, 72, 213, 123, true);
        MoveWindow(cmbbx2, 232, 192, 185, 19, true);

        ShowScrollBar(list1, SB_BOTH, FALSE);
        ShowScrollBar(list2, SB_BOTH, FALSE);
    }

    if (uMsg == WM_COMMAND && HIWORD(wParam) == BN_CLICKED && LOWORD(wParam) == IDOK)
    {
        PostMessage(hWnd, WM_COMMAND, IDABORT, 0);
        return TRUE;
    }

    return FALSE;
}

DLL char *get_directory(char *dname)
{
    OPENFILENAMEW ofn;

    HWND SitehWnd;
    SitehWnd = GetAncestor(GetActiveWindow(), GA_ROOTOWNER);

    string str_dname = dname;

    tstring tstr_filter = widen("*.*|*.*|");
    replace(tstr_filter.begin(), tstr_filter.end(), '|', '\0');
    tstring tstr_dname = widen(str_dname);
    tstring tstr_title = widen("Select Directory");

    WCHAR wstr_dname[MAX_PATH];
    wcsncpy_s(wstr_dname, tstr_dname.c_str(), MAX_PATH);

    ZeroMemory(&ofn, sizeof(ofn));
    ofn.lStructSize = sizeof(ofn);
    ofn.hwndOwner = SitehWnd;
    ofn.lpstrFile = wstr_dname;
    ofn.nMaxFile = MAX_PATH;
    ofn.lpstrFilter = tstr_filter.c_str();
    ofn.nFilterIndex = 0;
    ofn.lpstrTitle = tstr_title.c_str();
    ofn.lpstrInitialDir = NULL;
    ofn.Flags = OFN_NONETWORKBUTTON | OFN_ENABLEHOOK | OFN_PATHMUSTEXIST | OFN_HIDEREADONLY | OFN_LONGNAMES;
    ofn.lpfnHook = OFNHookProcOldStyle;

    GetOpenFileNameW(&ofn);

    DWORD attrib = GetFileAttributesW(wstr_dname);

    if (attrib != INVALID_FILE_ATTRIBUTES && (attrib & FILE_ATTRIBUTE_DIRECTORY))
    {
        static string result;
        result = shorten(wstr_dname);
        return (char *)result.c_str();
    }

    return (char *)"";
}