One of the common tasks during installation is to copy file to some temp directory, run it and delete after that. For example, it can be some script. In our example we are creating database necessary for our application work. First part is copying the file to temp directory, this is done in [Files] section:Note deleteafterinstall flag, it indicates the file will be deleted at the end of installation when it won’t be necessary any longer.
If the application has a Mutex, you can add an AppMutex value in your Inno Setup installer and it will display a message telling the user to stop the program. You might be able to find the Mutex (if it's got one) by using SysInternals Process Explorer and selecting the program / process and looking at the Handles (CTRL-H) in the Lower Pane. The name of a function that is to be called once just before an entry is installed. The function must either be a custom function in the Code section or a support function. May include a comma separated list of parameters that Setup should pass to the function. Allowed parameter types. If set to yes or force and Setup is not running silently, Setup will pause on the Preparing to Install wizard page if it detects applications using files that need to be updated by the Files or InstallDelete section, showing the applications and asking the user if Setup should automatically close the applications and restart them after the installation has completed. If the application has a Mutex, you can add an AppMutex value in your Inno Setup installer and it will display a message telling the user to stop the program. You might be able to find the Mutex (if it's got one) by using SysInternals Process Explorer and selecting the program / process and looking at the Handles (CTRL-H) in the Lower Pane.
The second part is to launch this file at the end of installation process (of course, this takes place before deleting of the files, Inno Setup handles this correctly automatically):Note runhidden flag here, it indicates that this operation won’t be visible for users of your installer. This flag can be removed if you prefer to leave this operation noticeable. When your application is uninstalled, you may need also to launch a file. In our example, we need to delete database.We are using the same flag runhidden, but now we can’t use temporary directory, we need to run from application directory or from some folder like commonappdata. The file needed for deleting database was created during process of installation in [Files] section:
up vote 14 down vote favorite 11 This should be simple, I need to stop any previous version of my program from running when the installer starts. Most people suggested making an exe which does this and calling it before Inno Setup starts. I created an exe using AutoIt which kills all processes of my program. The problem is I don't know how to get Inno Setup to call it before it installs anything. How do I call an executable before installing files? Alternatively, if I can just detect if a program is running and tell the user to close it, that would work too. installer inno-setup | this question edited Jun 21 '16 at 5:54 Martin Prikryl 48.3k 15 68 171 asked Aug 17 '10 at 23:46 Daisetsu 1,818 6 37 56
| 9 Answers
up vote 24 down vote ---Accepted---Accepted---Accepted---
If the application has a Mutex, you can add an AppMutex value in your Inno Setup installer and it will display a message telling the user to stop the program. You might be able to find the Mutex (if it's got one) by using SysInternals Process Explorer and selecting the program / process and looking at the Handles (CTRL-H) in the Lower Pane. Here's a link to the a KB article that mentions several methods: http://www.vincenzo.net/isxkb/index.php?title=Detect_if_an_application_is_running Alternatively, you might try this (UNTESTED) code in the InitializeSetup: [Setup]
;If the application has
Mutex, uncomment the line below, comment the InitializeSetup function out, and use the AppMutex.
;AppMutex=MyApplicationMutex
[Code]
const
WM_CLOSE = 16;
function InitializeSetup : Boolean;
var winHwnd: Longint;
retVal : Boolean;
strProg: string;
begin
Result := True;
try
//Either use FindWindowByClassName. ClassName can be found with Spy++ included with Visual C++.
strProg := 'Notepad';
winHwnd := FindWindowByClassName(strProg);
//Or FindWindowByWindowName.
If using by Name, the name must be exact and is case sensitive.
strProg := 'Untitled - Notepad';
winHwnd := FindWindowByWindowName(strProg);
Log('winHwnd: ' + IntToStr(winHwnd));
if winHwnd <> 0 then
Result := PostMessage(winHwnd,WM_CLOSE,0,0);
except
end;
end;
| this answer edited Jun 21 '16 at 6:02 Martin Prikryl 48.3k 15 68 171 answered Aug 18 '10 at 1:34 mirtheil 5,661 17 21 Thanks Mirtheil, this is exactly what I needed. Everyone else provided reasonable answers but this turns out to be the perfect solution. – Daisetsu Aug 18 '10 at 18:35 does not work on Windows 7 – Mason Zhang Oct 19 '11 at 15:11 Actually, it didn't work on anything. Once the correct window name was used, it does work on Windows 7 and other OSes. I also added an alternative to FindWindowByWindowName which is FindWindowByClassName. FindWindowByClassName might be a better choice if your program's window name changes. – mirtheil Oct 19 '11 at 19:23 3 For Inno 5.5.0+ there's a new solution, as I explain in my late response to this question. – jachguate Nov 27 '12 at 11:25 According to the documentation, it is better to use the function PrepareToInstall instead of InitializeSetup to shutdown the application to update. – Zac Oct 27 '16 at 8:48 | show 1 more comment up vote 11 down vote In version 5.5.0 (Released on May 2012) Inno Setup added support for the Restart Manager API on Windows Vista and newer. Quote from MSDN linked documentation (emphasis mine): The primary reason software installation and updates require a system restart is that some of the files that are being updated are currently being used by a running application or service. Restart Manager enables all but the critical applications and services to be shut down and restarted. This frees the files that are in use and allows installation operations to complete. It can also eliminate or reduce the number of system restarts that are required to complete an installation or update. The good thing is not you don't need to write custom code in the installer or your application to ask the user to close it, or close it automatically. If you want your application to restart after the update is complete, you have to call the RegisterApplicationRestart function from your application first. The default values for the new directives closes all the .exe, .dll and .chm files contained within the [Files] section of the installer. The changes related to it are (from release notes): Added new [Setup] section directive: CloseApplications, which defaults to yes. If set to yes and Setup is not running silently, Setup will now pause on the Preparing to Install wizard page if it detects applications using files that need to be updated by the [Files] or [InstallDelete] section, showing the applications and asking the user if Setup should automatically close the applications and restart them after the installation has completed. If set to yes and Setup is running silently, Setup will always close and restart such applications, unless told not to via the command line (see below). Added new [Setup] section directive: CloseApplicationsFilter, which defaults to *.exe,*.dll,*.chm. Controls which files Setup will check for being in use. Setting this to *.* can provide better checking at the expense of speed. Added new [Setup] section directive: RestartApplications, which defaults to yes. Note: for Setup to be able to restart an application after the installation has completed, the application needs to be using the Windows RegisterApplicationRestart API function. Added new command line parameters supported by Setup: /NOCLOSEAPPLICATIONS and /NORESTARTAPPLICATIONS. These can be used to override the new CloseApplications and RestartApplications directives. Added new [Code] support function: RmSessionStarted. TWizardForm: Added new PreparingMemo property. | this answer edited Jun 21 '16 at 5:57 Martin Prikryl 48.3k 15 68 171 answered Nov 27 '12 at 11:23 jachguate 14.6k 1 35 73 2 great answer, thanks! – João Moreno Aug 7 '15 at 10:22
| up vote 6 down vote I tried using the ---Accepted---Accepted---Accepted---
answer (and the follow up by jachguate) but it wouldn't kill my application. It looks like part of the reason was that my application window had no text associated with it but whatever is the real reason, I used shell command to kill it and that worked. In the [code] section, you want to add the following function. It is called just before setup files are copied. function PrepareToInstall(var NeedsRestart: Boolean): String;
| this answer edited Sep 20 '16 at 20:59 answered Aug 5 '13 at 16:48 zar 3,033 3 30 68
| up vote 4 down vote If you're using InnoSetup, you could look into getting your InnoSetup installer to do a Windows SendBroadcastMessage, and get your application to listen for that message. When your application receives the message, it should shut itself down. I've done this myself with an InnoSetup installer, and it works very well. | this answer answered Aug 18 '10 at 0:13 Conor Boyd 803 5 13 That won't work as the program has been released for years and I will need to close down old versions too. – Daisetsu Aug 18 '10 at 0:27 | up vote 3 down vote Here's a link to an Inno Setup script that prompts a user to close the target program, if it detects that the program is running. After the user closes the program, they can click on a 'Retry' button to proceed with the installation: http://www.domador.net/extras/code-samples/inno-setup-close-a-program-before-reinstalling-it/ This script is based on a simpler script, found in the Inno Setup Extensions Knowledge Base: http://www.vincenzo.net/isxkb/index.php?title=Call_psvince.dll_on_install_and_uninstall | this answer answered May 18 '11 at 21:20 Andres Cabezas Ulate 51 2 | up vote 1 down vote If you are happy to write your own DLL, you can use the tool help API for TlHelp32.pas to determine what applications are running, and then get a window handle for them using EnumWindows, then send a WM_CLOSE to the window handle. It's a bit of a pain, but it should work: I have some utility wrapper classes I developed with a friend a while back. Can't remember if we based it on someone else's code. TWindows.ProcessISRunning and TWindows.StopProcess may help. interface
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List : TWindowList;
Wnd : TWindow;
begin
Result := True;
List := TWindowList(ALParam);
Wnd := TWindow.Create;
List.Add(Wnd);
Wnd.FHandle := Ahwnd;
end;
class procedure TWindows.KillProcess(ProcessName: string);
var
handle: THandle;
pe: TProcessEntry32;
begin
// Warning: will kill all process with ProcessName
// NB won't work on NT 4 as Tool Help API is not supported on NT
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try
pe.dwSize := Sizeof(pe);
if Process32First(handle, pe) then
begin
Inno Setup Kill Process Before Installer
while True do begin
if (UpperCase(ExtractFileName(pe.szExeFile)) = UpperCase(ExtractFileName(ProcessName))) or
(UpperCase(pe.szExeFile) = UpperCase(ProcessName)) then
begin
if not TerminateProcess(OpenProcess(PROCESS_TERMINATE, False,
pe.th32ProcessID), 0) then
begin
raise Exception.Create('Unable to stop process ' + ProcessName + ': Error Code ' + IntToStr(GetLastError));
end;
end;
if not Process32Next(handle, pe) then
Break;
end;
end;
finally
CloseHandle(handle);
end;
end;
class function TWindows.ProcessIsRunning(PID: Cardinal): Boolean;
var
processList: TProcessList;
i: Integer;
begin
Result := False;
processList := GetProcessList;
try
for i := 0 to processList.Count - 1 do
begin
if processList[i].ID = PID then
begin
Result := True;
Break;
end;
end;
finally
processList.Free;
end;
end;
class procedure TWindows.StopProcess(ProcessName: string);
var
processList: TProcessList;
i: Integer;
hwnd: THandle;
begin
// Warning: will attempt to stop all process with ProcessName
if not Assigned(GProcessToHWNDList) then
GProcessToHWNDList := TObjectList.Create
else
GProcessToHWNDList.Clear;
// get list of all current processes
processList := GetProcessList;
// enumerate windows only once to determine the window handle for the processes
if EnumWindows(@EnumerateWindowsProc, 0) then
begin
for i := 0 to processList.Count - 1 do
begin
if UpperCase(ExtractFileName(processList[i].Name)) = UpperCase(ExtractFileName(ProcessName)) then
function TProcessList.Add(AProcess: TProcess): Integer;
begin
Result := inherited Add(AProcess);
end;
function TProcessList.GetProcess(AIndex: Integer): TProcess;
begin
Result := TProcess(Items[AIndex]);
end;
{ TWindowList }
function TWindowList.Add(AWindow: TWindow): Integer;
begin
Result := inherited Add(AWindow);
end;
function TWindowList.GetWindow(AIndex: Integer): TWindow;
begin
Result := TWindow(Items[AIndex]);
end;
{ TWindow }
function TWindow.GetProcessHandle: THandle;
begin
if FProcessHandle = 0 then
FProcessHandle := OpenProcess(Windows.SYNCHRONIZE or Windows.PROCESS_TERMINATE,
True, FProcessID);
Result := FProcessHandle;
end;
function TWindow.GetProcessID: Cardinal;
var
Pid : Cardinal;
begin
if FProcessID = 0 then
begin
Pid := 1;
GetWindowThreadProcessId(Handle, Pid);
FProcessID := Pid;
end;
Result := FProcessID;
end;
function TWindow.GetProcessName: string;
var
Buffer : packed array [1.1024] of char;
len : LongWord;
begin
FillChar(Buffer, SizeOf(Buffer), 0);
if FProcessName = ' then
begin
len := GetWindowModuleFileName(Handle, @Buffer[1], 1023);
FProcessName := Copy(Buffer, 1, Len);
end;
Result := FProcessName;
end;
end.
Inno Setup Kill Process Before Install A House
| this answer answered Aug 18 '10 at 9:48 Gerry Coll 5,198 1 18 32 Failed to compile in InnoSetup, could anyone fix it? I never used pascal before. – Mason Zhang Oct 19 '11 at 14:34
| up vote 1 down vote I have had success using WMIC : procedure CurStepChanged(CurStep: TSetupStep);
var
ResultCode: Integer;
wmicommand: string;
begin
// before installing any file
if CurStep = ssInstall then
begin
wmicommand := ExpandConstant('PROCESS WHERE 'ExecutablePath like '{app}%%'' DELETE');
// WMIC 'like' expects escaped backslashes
StringChangeEx(wmicommand, ', ', True);
// you can/should add an 'if' around this and check the ResultCode
You can also do it in the InitializeSetup but if you do, keep in mind you don't have yet access to the {app} constant. My program doesn't ask for install path, but yours might. | this answer edited Mar 20 at 10:18 Community ♦ 1 1 answered Oct 6 '16 at 13:14 thomasb 3,040 2 36 67
| up vote 0 down vote InnoSetup allows you to attach Pascal scripts to various places in the build process. Try attaching a script that calls ShellExecute. (Which you may have to import to the script engine if it doesn't already have it.) | this answer answered Aug 18 '10 at 0:12 Mason Wheeler 60k 30 198 369 The script engine has Exec() so that's not the problem. I can't figure out how to write the pascal code though to extract the bundled exe file and run it. – Daisetsu Aug 18 '10 at 0:27 | up vote 0 down vote Well, I think the easier way to perform this may be creating a DLL in Delphi that detects if your program is running and ask the user to close it, put that DLL in your setup and use the flag 'dontcopy' (check in http://www.jrsoftware.org/ishelp/ under Pascal Scripting Using DLLs for an example). Btw, next time use mutexes, Inno Setup also support that and is far more easier. EDIT: and for extracting a file (if you want to use that .exe you mention), just use ExtractTemporaryFile(). | this answer answered Aug 18 '10 at 0:41 someone 896 1 5 8 |
up vote 14 down vote favorite 11 This should be simple, I need to stop any previous version of my program from running when the installer starts. Most people suggested making an ex
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