Legacy.cpp

#include"stdafx.h"
#include<filesystem>
namespacefs= std::filesystem;

staticvoidCopyRegKey(HKEY root, constwchar_t* srcKey, constwchar_t* dstKey)
{
 CRegKey src;
if (src.Open(root, srcKey, KEY_READ | KEY_WOW64_64KEY) == ERROR_SUCCESS)
 {
 CRegKey dst;
if (dst.Create(root, dstKey, nullptr, 0, KEY_ALL_ACCESS | KEY_WOW64_64KEY, nullptr, nullptr) == ERROR_SUCCESS)
::RegCopyTree(src, nullptr, dst);
 }
}

staticvoidCopyFolder(constwchar_t* srcPath, constwchar_t* dstPath)
{
wchar_t src[MAX_PATH]{};
::ExpandEnvironmentStrings(srcPath, src, _countof(src));

wchar_t dst[MAX_PATH]{};
::ExpandEnvironmentStrings(dstPath, dst, _countof(dst));

 std::error_code err;
fs::copy(src, dst, fs::copy_options::recursive | fs::copy_options::update_existing, err);
}

voidImportLegacyData()
{
 CRegKey reg;
if (reg.Open(HKEY_CURRENT_USER, L"Software\\OpenShell", KEY_READ | KEY_WOW64_64KEY) == ERROR_FILE_NOT_FOUND)
 {
CopyRegKey(HKEY_CURRENT_USER, L"Software\\IvoSoft\\ClassicExplorer", L"Software\\OpenShell\\ClassicExplorer");
CopyRegKey(HKEY_CURRENT_USER, L"Software\\IvoSoft\\ClassicIE", L"Software\\OpenShell\\ClassicIE");
CopyRegKey(HKEY_CURRENT_USER, L"Software\\IvoSoft\\ClassicShell", L"Software\\OpenShell\\OpenShell");
CopyRegKey(HKEY_CURRENT_USER, L"Software\\IvoSoft\\ClassicStartMenu", L"Software\\OpenShell\\StartMenu");

CopyFolder(L"%APPDATA%\\ClassicShell", L"%APPDATA%\\OpenShell");
CopyFolder(L"%LOCALAPPDATA%\\ClassicShell", L"%LOCALAPPDATA%\\OpenShell");
 }
}