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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <msi.h>
#include <commctrl.h>

extern "C" __declspec(dllexport) UINT __stdcall SortTree(MSIHANDLE)<--- The function 'SortTree' is never used.
{
    // Sort items (languages) in SelectionTree control, fdo#46355

    HWND hwndMSI = FindWindowW(L"MsiDialogCloseClass", nullptr);
    if (hwndMSI == nullptr)
    {
        OutputDebugStringW(L"SortTree: MsiDialogCloseClass not found\n");
        return ERROR_SUCCESS;
    }
    HWND hwndTV = FindWindowExW(hwndMSI, nullptr, L"SysTreeView32", nullptr);
    if (hwndTV == nullptr)
    {
        OutputDebugStringW(L"SortTree: SysTreeView32 not found\n");
        return ERROR_SUCCESS;
    }
    HTREEITEM optional = TreeView_GetRoot(hwndTV);
    if (optional == nullptr)
    {
        OutputDebugStringW(L"SortTree: Optional Components branch not found\n");
        return ERROR_SUCCESS;
    }
    HTREEITEM dicts = TreeView_GetChild(hwndTV, optional);
    if (dicts == nullptr)
    {
        OutputDebugStringW(L"SortTree: Dictionaries branch not found\n");
        return ERROR_SUCCESS;
    }
    TreeView_SortChildren(hwndTV, dicts, TRUE);
    HTREEITEM langs = TreeView_GetNextSibling(hwndTV, optional);
    if (langs == nullptr)
    {
        OutputDebugStringW(L"SortTree: Additional UI Languages branch not found\n");
        return ERROR_SUCCESS;
    }
    TreeView_SortChildren(hwndTV, langs, TRUE);

    return ERROR_SUCCESS;
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */