Instead of MessageBox it's better to use WcaLog(LOGMSG_VERBOSE, "Your message"). Here is a working example of using QuiteExec():
LPWSTR pwzCommand = NULL; LPWSTR pwzSystemFolder = NULL; hr = WcaInitialize(hInstall, "MyCA"); ExitOnFailure(hr, "failed to initialize"); hr = WcaGetProperty(L"SystemFolder", &pwzSystemFolder); ExitOnFailure(hr, "Failed to get property"); hr = StrAllocFormatted(&pwzCommand, L"\"%sPkgMgr.exe\"", pwzSystemFolder); ExitOnFailure(hr, "Failed to allocate command line."); hr = QuietExec(pwzCommand, 60000); ExitOnFailure(hr, "QuietExec Failed"); -Maksim -----Original Message----- From: Anand, Animesh [mailto:animesh.an...@igatepatni.com] Sent: Monday, July 25, 2011 1:26 PM To: General discussion for Windows Installer XML toolset. Subject: Re: [WiX-users] QuietExec in CA Thank You for your reply David. This is what I am doing. cmdToEx="\"C:\\WINDOWS\\system32\\calc.exe\""; MessageBox(NULL,cmdToEx.c_str(),NULL,NULL);(I see the calc.exe path in quotes in the MessageBox) hr1=QuietExec((LPWSTR)(cmdToEx.c_str()),1000); Where cmdToEx is a string object. I have also tired to read the "QtExecCmdLine" property and use its value. Which otherwise executes fine when I call it from a Wix CA which in turn uses BinaryKey="WixCA" and DllEntry="CAQuietExec". I don't understand what I am missing here. I tied verbose logging as suggested by Maksim,But that did not help too. :-( -----Original Message----- From: David Watson [mailto:dwat...@sdl.com] Sent: Monday, July 25, 2011 2:48 PM To: General discussion for Windows Installer XML toolset. Subject: Re: [WiX-users] QuietExec in CA Are you passing "C:\Windows\system32\calc.exe" and not "C:\\Windows\\system32\\calc.exe". Just a guess. -----Original Message----- From: Anand, Animesh [mailto:animesh.an...@igatepatni.com] Sent: 25 July 2011 09:44 To: General discussion for Windows Installer XML toolset. Subject: Re: [WiX-users] QuietExec in CA Thank a lot Maksim. I'll do this. -----Original Message----- From: maksim.vazhe...@emc.com [mailto:maksim.vazhe...@emc.com] Sent: Monday, July 25, 2011 2:10 PM To: wix-users@lists.sourceforge.net Subject: Re: [WiX-users] QuietExec in CA Error code 80070002 means "The system cannot find the file specified". With "LOGVERBOSE=1" you will see the command line which QuiteExec runs (this is not the same as just specifying /v flag for .msi). QuiteExec works fine from a C++ CA. -Maksim -----Original Message----- From: Anand, Animesh [mailto:animesh.an...@igatepatni.com] Sent: Monday, July 25, 2011 12:24 PM To: General discussion for Windows Installer XML toolset. Subject: Re: [WiX-users] QuietExec in CA Hi Maksim, Thank You for your response. The verbose logging gave me the error I mentioned in the mail. I have tried to do this for exe's I know whose paths are valid.Eg:-calc.exe or notepad.exe under C:\windows\system32 just to see if I can actually get them to launch. I pass these with quotes. (eg:"C:\Windows\system32\calc.exe"). Is there something I am missing in the usage?Does QuietExec work from a C++ CA or it's only tested and used in a normal Wix CA? Thank You, Animesh Anand -----Original Message----- From: maksim.vazhe...@emc.com [mailto:maksim.vazhe...@emc.com] Sent: Monday, July 25, 2011 12:19 PM To: wix-users@lists.sourceforge.net Subject: Re: [WiX-users] QuietExec in CA Try to set "LOGVERBOSE=1" property to see the verbose logging of QuietExec. Try to print the full path of the executed binary before calling QuietExec, probably the path is incorrect. -Maksim -----Original Message----- From: Anand, Animesh [mailto:animesh.an...@igatepatni.com] Sent: Monday, July 25, 2011 9:47 AM To: General discussion for Windows Installer XML toolset. Subject: Re: [WiX-users] QuietExec in CA Hi, I am passing the exe I need to execute in quotes, with its complete path. In the msi log I see: CallQEx: Initialized. CallQEx: Error 0x80070002: Command failed to execute. Action ended 10:07:13: CallQEx. Return value 1. Where CallQEx is the C++ CA from where I call QuietExec. Has anyone of us used QuietExec in C++ CA and can point out what I might be missing here? Any help will be highly appreciated. Thank You, Animesh Anand -----Original Message----- From: animesh_an [mailto:an.anim...@gmail.com] Sent: Saturday, July 23, 2011 12:04 PM To: wix-users@lists.sourceforge.net Subject: Re: [WiX-users] QuietExec in CA Hi, I have been wanting to use QuietExec in a C++ CA.Want I am doing is using QuietExec as QuietExec(cmdINeedToUse,1000).Where cmdINeedToUse is "\"C:\\windows\\system32\\calc.exe\"" for example.The return i got from the call is some -ve value(-213456 something).The Calculator application does not launch. I have searched the net for the usage of the call.But,i keep coming across this very post of the Wix bug. Can some one please help with the example usage. Thanks in advance. 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