Registered: Jun 2002
From:

Hi all

It's been a while since I've been here or used the NSIS installer, but since I have started again I have found a new problem.

I have looked at all the methods for closing windows, and examples show how it works with Winamp, but when I try everything I can think of with FindWindow, etc I just cant get the IE Window to close.

Actually I want to close all open IE windows so perhaps a loop is required, but I have even seen examples of that.

If anyone knows if and how this can be achieved I would be most grateful.

Thanks

Simon H

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Registered: Oct 2001
From: Israel

Try this search:
http://forums.winamp.com/search.php...rder=descending

As I have mentioned in each one of those threads, it's never a good idea to terminate Explorer/Internet Explorer. There is always a better way of refreshing it for the change you have made. So, what's your change?

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Registered: Jun 2002
From:

What I have is a customer with 2 proxy servers, and I'm writing an app using NSIS to change the proxy settings based on a commandline parameter in the shortcut to the proposed NSIS App.

So...when the user clicks on the link it closes existing windows, changes the proxy settings and re-opens IE.

I would find this tidier than leaving windows open that cannot access the pages that they were previously at, because of proxy settings, rather than leave dead windows open in the background.

Is there an easier way?

I will read that other post too, but probably have already!

Thanks

Simon H

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Registered: Jun 2002
From:

No further ideas on this?

Simon

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Simon H

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Registered: Nov 2002
From: US

Well, at least on Windows XP SP1 with IE6, all open IE windows automatically get a proxy server change. I opened 5 windows and changed that setting (to a bogus server) in one window and tried browsing to google in one of the other windows. Did not work because the proxy setting was read by all open windows.

Probably doesn't help you, but on XP with IE6, there is no need to close the windows.

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Registered: Jun 2002
From: Swindon, UK

I have a little macro in one of my installers which might be of interest. See the attachment. The coding is pretty poor but I've never needed to improve it for that installer so I never bothered. Strictly speaking the macro could use offset jumps instead of labels which would be much better.

Attachment: closewindow.nsi
This has been downloaded 443 time(s).

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Registered: Jun 2002
From:

quote:

---

Originally posted by jthompson
Well, at least on Windows XP SP1 with IE6, all open IE windows automatically get a proxy server change. I opened 5 windows and changed that setting (to a bogus server) in one window and tried browsing to google in one of the other windows. Did not work because the proxy setting was read by all open windows.

Probably doesn't help you, but on XP with IE6, there is no need to close the windows.

---

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Simon H

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Registered: Jun 2002
From:

quote:

---

Originally posted by Sunjammer
I have a little macro in one of my installers which might be of interest. See the attachment. The coding is pretty poor but I've never needed to improve it for that installer so I never bothered. Strictly speaking the macro could use offset jumps instead of labels which would be much better.

---

PHP:

---


Function CloseProgram
  Exch $1
  Push $0
  loop:
    FindWindow $0 $1
    IntCmp $0 0 done
    IsWindow $0 0 done
      SendMessage $0 ${WM_CLOSE} 0 0
      SendMessage $0 ${WM_QUIT} 0 0
      SendMessage $0 ${WM_DESTROY} 0 0
    Sleep 100
    Goto loop
  done:
  Pop $0
  Pop $1
FunctionEnd


---

PHP:

---


Push "IEFrame"
Call CloseProgram


---

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Simon H

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Registered: Sep 2001
From: canada

IE is a bit different in that it doesn't seem to want to close using SendMessage() calls.

The solution I've used to shut down all IE windows is to send a WM_CLOSE to the IE window using PostMessage(). Unfortunately, this API isn't natively supported by NSIS.

I believe there's an NSIS plugin that allows you to call API functions, and if not, it wouldn't be very difficult to build one that could just call PostMessage() for you.

Hope this helps,

Scott.

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Registered: Jun 2002
From:

quote:

---

Originally posted by stereo
IE is a bit different in that it doesn't seem to want to close using SendMessage() calls.

The solution I've used to shut down all IE windows is to send a WM_CLOSE to the IE window using PostMessage(). Unfortunately, this API isn't natively supported by NSIS.

I believe there's an NSIS plugin that allows you to call API functions, and if not, it wouldn't be very difficult to build one that could just call PostMessage() for you.

Hope this helps,

Scott.

---

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Simon H

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Registered: Jun 2002
From:

BTW, I'm still using 1.98 I think, maybe 99, but havne't made the move to version 2 just yet!

Simon

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Simon H

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Registered: Jun 2002
From: Swindon, UK

System::Call 'user32::PostMessageA(i,i,i,i) i($0,${WM_CLOSE},0,0)'

might work, assuming $0 contains the window handle as returned by FindWindow. If it doesn't work something similar should. I'd say consult the System docs in Contrib\System\System.txt but you'll need a Greek translator to help you

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Registered: Jun 2002
From:

quote:

---

Originally posted by Sunjammer
System::Call 'user32::PostMessageA(i,i,i,i) i($0,${WM_CLOSE},0,0)'

might work, assuming $0 contains the window handle as returned by FindWindow. If it doesn't work something similar should. I'd say consult the System docs in Contrib\System\System.txt but you'll need a Greek translator to help you

---

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Simon H

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Registered: Jun 2002
From: Swindon, UK

Errm good question. System was first distributed with NSIS in version 2.0b0 according to the release history. My improved plugin syntax became part of NSIS as of version 2.0a4 so the syntax would have to be that of the old CallInstDLL command, so you'd have to push the argument to the stack first... something like this:

code:

SetOutPath $TEMP
GetTempFileName $1
File /oname=$1 system.dll
Push 'user32::PostMessageA(i,i,i,i) i($0,0x10,0,0)'
CallInstDLL $1 Call

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Registered: Jun 2002
From:

quote:

---

Originally posted by Sunjammer
Errm good question. System was first distributed with NSIS in version 2.0b0 according to the release history. My improved plugin syntax became part of NSIS as of version 2.0a4 so the syntax would have to be that of the old CallInstDLL command, so you'd have to push the argument to the stack first... something like this:

code:

SetOutPath $TEMP
GetTempFileName $1
File /oname=$1 system.dll
Push 'user32::PostMessageA(i,i,i,i) i($0,0x10,0,0)'
CallInstDLL $1 Call

I *think* that syntax is correct. Whether it will actually work? No idea. Anyway what are you using 1.98 for???

---

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Simon H

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Registered: Jun 2002
From: Swindon, UK

You mean that System code I just concocted works??? Woohoo that was unexpected !!!

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Registered: Jun 2002
From:

YEEEEEHHHH!!!!

It works dude..closes all IE windows :-)!!!

Here's the code (tested on Win2kpro only):

PHP:

---


loop:
    FindWindow $0 "IEFrame"
    IntCmp $0 0 done
    IsWindow $0 0 done
    System::Call 'user32::PostMessageA(i,i,i,i) i($0,${WM_CLOSE},0,0)'
    Sleep 100
    Goto loop
done:


---

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Simon H

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Registered: Jun 2002
From: Swindon, UK

Go on, you know you want to, do me a favour

Create a page in the Archive for that solution pretty please

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Registered: Jun 2002
From:

no probs...glad to be of help!

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Simon H

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Registered: Jun 2002
From:

quote:

---

Originally posted by simham_uk
YEEEEEHHHH!!!!

It works dude..closes all IE windows :-)!!!

Here's the code (tested on Win2kpro only):

PHP:

---


loop:
    FindWindow $0 "IEFrame"
    IntCmp $0 0 done
    IsWindow $0 0 done
    System::Call 'user32::PostMessageA(i,i,i,i) i($0,${WM_CLOSE},0,0)'
    Sleep 100
    Goto loop
done:


---

Thanks for the help!

---

PHP:

---


Function .onInstSuccess
  ExecShell open 'iexplore.exe'
FunctionEnd


---

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Simon H

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Registered: Jun 2002
From: Swindon, UK

The system call could still be causing Windows to close, but it should only be those that were open when the system call was made. New windows would not receive the close message.

By the time .onInstSuccess is reached the loop of System calls has finished so the message definitely should not get sent to a new ie window that opens. (in my opinion, I might be wrong)

Have you tried other ways of running iexplore.exe? (e.g. a batch file, a shortcut, using the start command (Exec 'start iexplore'), using nsExec, etc.).

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Registered: Oct 2001
From: Israel

You are right Sunjammer. There is absolutely no way this loop closed that window. My guess is that the window never even opened. Try and see if you get an error after that ExecShell command (ClearErrors, ExecShell, IfErrors...). Maybe it can't find iexpolrer.exe for whatever reason.

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Registered: Jun 2002
From:

quote:

---

Originally posted by kichik
You are right Sunjammer. There is absolutely no way this loop closed that window. My guess is that the window never even opened. Try and see if you get an error after that ExecShell command (ClearErrors, ExecShell, IfErrors...). Maybe it can't find iexpolrer.exe for whatever reason.

---

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Simon H

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Registered: Jun 2002
From:

quote:

---

Originally posted by simham_uk
Thanks guys

I'll give it a try in the morning (afternoon :-) and see what happens...will let you know!

---

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Simon H

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Registered: Oct 2001
From: Israel

AFAIK, there is no Windows API function that opens an Internet Explorer window. I bet there is some COM class you can use but I have no idea how to use those with System...

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Registered: Jun 2002
From: Swindon, UK

Well COM just involves calling CoCreateInstance and QueryInterface to get the object you want and then calling methods on it. I'm sure you can use the vtbl directly yourself to call them like you would C functions and so System might be able to do it that way. Not sure really.

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Registered: Jun 2002
From:

quote:

---

Originally posted by Sunjammer
Well COM just involves calling CoCreateInstance and QueryInterface to get the object you want and then calling methods on it. I'm sure you can use the vtbl directly yourself to call them like you would C functions and so System might be able to do it that way. Not sure really.

---

PHP:

---


Function .onInstSuccess
  ExecShell open "iexplore.exe" "" SW_SHOWNORMAL
FunctionEnd


---

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Simon H

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