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Classic Shell

, 23 Feb 2010
Classic Start menu and other shell features for Windows 7 and Vista.
Prize winner in Competition "Windows 7 "Windows @ Work" Article Contest"
ClassicShellSetup.zip
ClassicShellSrc.zip
ClassicShell
ClassicExplorer
ClassicCopyExt.rgs
ClassicExplorer.rgs
ClassicExplorer32.def
ClassicExplorer64.def
Explorer.ini
ExplorerBand.rgs
ExplorerBHO.rgs
ExplorerL10N.ini
up.ico
up2Disabled.ico
up2Hot.ico
up2Normal.ico
up2Pressed.ico
upDisabled.ico
ClassicShellSetup
ClassicShell.ico
ClassicShellBanner.jpg
ClassicShellSetup.manifest
ClassicShellSetup32
ClassicShellSetup32.vdproj
ClassicShellSetup64
ClassicShellSetup64.vdproj
ClassicStartMenu
ClassicStartMenu.manifest
ClassicStartMenuDLL
StartMenu.ini
StartMenuItems.ini
StartMenuL10N.ini
Docs
ClassicExplorer_files
after.png
before.png
ClassicShell.png
FolderView.gif
iconoffset.png
statusbar.png
titlebar.png
toolbar.png
ClassicShellEULA.rtf
ClassicShellReadme.rtf
ClassicStartMenu_files
ClassicShell.png
screenshot.png
skins.gif
ParseSettings
Skins
ClassicSkin
main_bitmap.bmp
selection.bmp
VistaAero
main_bitmap.bmp
selection.bmp
Win7Aero
main_bitmap.bmp
selection.bmp
Win7Basic
main_bitmap.bmp
selection.bmp
// Classic Shell (c) 2009-2010, Ivo Beltchev
// The sources for Classic Shell are distributed under the MIT open source license

#define _WIN32_WINNT 0x0600
#include <windows.h>
#include <shlwapi.h>
#include <stdio.h>
#include <commctrl.h>
#include "resource.h"

// ClassicShellSetup.exe is a bootstrap application that contains installers for 32-bit and 64-bit.
// It unpacks the right installer into the temp directory and executes it.
// Finally, if the start menu is installed we launch it for the first time. Note: The installer can't
// launch the start menu itself because it runs as the SYSTEM user and we need to run as the logged in user

typedef BOOL (WINAPI *FIsWow64Process)( HANDLE hProcess, PBOOL Wow64Process );

int APIENTRY wWinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine, int nCmdShow )
{
	bool bQuiet=wcsstr(lpCmdLine,L"/qn")!=NULL;
	INITCOMMONCONTROLSEX init={sizeof(init),ICC_STANDARD_CLASSES};
	InitCommonControlsEx(&init);
	// check Windows version
	if ((GetVersion()&255)<6)
	{
		if (!bQuiet)
			MessageBox(NULL,L"Classic Shell requires Windows Vista or later.",L"Classic Shell Setup",MB_OK|MB_ICONERROR);
		return 101;
	}

	// dynamically link to IsWow64Process because it is not available for Windows 2000
	HMODULE hKernel32=GetModuleHandle(L"kernel32.dll");
	FIsWow64Process isWow64Process=(FIsWow64Process)GetProcAddress(hKernel32,"IsWow64Process");
	if (!isWow64Process)
	{
		if (!bQuiet)
			MessageBox(NULL,L"Classic Shell requires Windows Vista or later.",L"Classic Shell Setup",MB_OK|MB_ICONERROR);
		return 101;
	}

	BOOL b64=FALSE;
	isWow64Process(GetCurrentProcess(),&b64);

	// check for versions older than 1.0.0
	const wchar_t *oldVersions32[]={
		L"{4FB649CF-3B19-44C2-AE13-3978BA10E3C0}", // 0.9.7
		L"{131E8BB5-6E2F-437B-9923-3BAC5402995D}", // 0.9.8
		L"{962C0EF9-28A6-48B5-AE5D-F8F8B4B1C5F6}", // 0.9.9
		L"{AA86C803-F195-4593-A9EC-24D26D4F9C7E}", // 0.9.10
		NULL
	};

	const wchar_t *oldVersions64[]={
		L"{962E3DB4-82A7-4B38-80B4-F3DB790D9CA2}", // 0.9.7
		L"{4F5A8EAD-D866-47CB-85C3-E17BB328687E}", // 0.9.8
		L"{029C99FA-B112-486A-8350-DA2099C812ED}", // 0.9.9
		L"{2099745F-EFD7-43C8-9A3A-5EAF01CD56FF}", // 0.9.10
		NULL
	};

	
	for (const wchar_t **oldVersion=b64?oldVersions64:oldVersions32;*oldVersion;oldVersion++)
	{
		wchar_t buf[256];
		swprintf_s(buf,L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\%s",*oldVersion);
		HKEY hKey=NULL;
		if (RegCreateKeyEx(HKEY_LOCAL_MACHINE,buf,0,NULL,REG_OPTION_NON_VOLATILE,KEY_READ|KEY_QUERY_VALUE|KEY_WOW64_64KEY,NULL,&hKey,NULL)==ERROR_SUCCESS)
		{
			DWORD version;
			DWORD size=sizeof(version);
			if (RegQueryValueEx(hKey,L"Version",0,NULL,(BYTE*)&version,&size)==ERROR_SUCCESS)
			{
				RegCloseKey(hKey);
				if (!bQuiet)
					MessageBox(NULL,L"This version of Classic Shell cannot be installed over versions older than 1.0.0. Please uninstall the old version of Classic Shell, log off, and run the installer again.",L"Classic Shell Setup",MB_OK|MB_ICONERROR);
				return 102;
			}
			RegCloseKey(hKey);
		}
	}

	// extract the installer
	void *pRes=NULL;
	HRSRC hResInfo=FindResource(hInstance,MAKEINTRESOURCE(b64?IDR_MSI_FILE64:IDR_MSI_FILE32),L"MSI_FILE");
	if (hResInfo)
	{
		HGLOBAL hRes=LoadResource(hInstance,hResInfo);
		pRes=LockResource(hRes);
	}
	if (!pRes)
	{
		if (!bQuiet)
			MessageBox(NULL,L"Internal Setup Error",L"Classic Shell Setup",MB_OK|MB_ICONERROR);
		return 103;
	}
	wchar_t path[_MAX_PATH*2];
	GetTempPath(_countof(path),path);
	wchar_t msiName[_MAX_PATH];
	GetTempFileName(path,L"CSH",0,msiName);
	HANDLE hFile=CreateFile(msiName,GENERIC_WRITE,0,NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
	if (hFile==INVALID_HANDLE_VALUE)
	{
		wchar_t message[1024];
		swprintf_s(message,L"Failed to create temp file '%s'.",msiName);
		if (!bQuiet)
			MessageBox(NULL,message,L"Classic Shell Setup",MB_OK|MB_ICONERROR);
		return 104;
	}
	DWORD q;
	WriteFile(hFile,pRes,SizeofResource(hInstance,hResInfo),&q,NULL);
	CloseHandle(hFile);

	// start the installer
	STARTUPINFO startupInfo;
	memset(&startupInfo,0,sizeof(startupInfo));
	startupInfo.cb=sizeof(startupInfo);
	PROCESS_INFORMATION processInfo;
	memset(&processInfo,0,sizeof(processInfo));
	wchar_t cmdLine[2048];
	swprintf_s(cmdLine,L"msiexec.exe /i %s %s",msiName,lpCmdLine);

	if (!CreateProcess(NULL,cmdLine,NULL,NULL,TRUE,0,NULL,NULL,&startupInfo,&processInfo))
	{
		DeleteFile(msiName);
		if (!bQuiet)
			MessageBox(NULL,L"Failed to run msiexec.exe",L"Classic Shell Setup",MB_OK|MB_ICONERROR);
		return 105;
	}
	else
	{
		// wait for the installer to finish
		WaitForSingleObject(processInfo.hProcess,INFINITE);
		DeleteFile(msiName);
		DWORD code;
		GetExitCodeProcess(processInfo.hProcess,&code);
		if (code) return code;

		// if there were no errors, launch the start menu for the first time
		HKEY hKey=NULL;
		if (RegCreateKeyEx(HKEY_LOCAL_MACHINE,L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run",0,NULL,REG_OPTION_NON_VOLATILE,KEY_READ|KEY_QUERY_VALUE|KEY_WOW64_64KEY,NULL,&hKey,NULL)==ERROR_SUCCESS)
		{
			DWORD type=0;
			DWORD size=sizeof(path);
			if (RegQueryValueEx(hKey,L"Classic Start Menu",0,&type,(BYTE*)path,&size)==ERROR_SUCCESS && type==REG_SZ)
			{
				memset(&startupInfo,0,sizeof(startupInfo));
				startupInfo.cb=sizeof(startupInfo);
				memset(&processInfo,0,sizeof(processInfo));
				if (!bQuiet)
					wcscat_s(path,L" -open");
				CreateProcess(NULL,path,NULL,NULL,TRUE,0,NULL,NULL,&startupInfo,&processInfo);
			}
			RegCloseKey(hKey);
		}
	}
	return 0;
}

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License

This article, along with any associated source code and files, is licensed under The MIT License

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About the Author

Ivo Beltchev
Software Developer (Senior)
United States United States
Ivo started programming in 1985 on an Apple ][ clone. He graduated from Sofia University, Bulgaria with a MSCS degree. Ivo has been working as a professional programmer for over 12 years, and as a professional game programmer for over 10. He is currently employed in Pandemic Studios, a video game company in Los Angeles, California.

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