I have been making a MSI Installer that can get the value of property
passed to it and write a Config file. I am supposed to call MSI as:
msiexec /i myfile.msi /l*v output.txt IPADDRESS="192.168.1.1"
and get value of IPADDRESS
I have following Wix C# Code that is supposed to work
namespace SetupCA
{
public class CustomActions
{
[CustomAction]
[DllImport("shell32.dll")]
public static extern Int32 SHGetFolderPath(
IntPtr hwndOwner, // Handle to an owner window.
Int32 nFolder, // A CSIDL value that identifies
the folder whose path is to be retrieved.
IntPtr hToken, // An access token that can be used
to represent a particular user.
UInt32 dwFlags, // Flags to specify which path is
to be returned. It is used for cases where
// the folder associated with a CSIDL may be moved or renamed
by the user.
StringBuilder pszPath);
public static ActionResult WriteFileToDisk(Session session)
{
session.Log("Begin WriteFileToDisk");
const int CSIDL_LOCAL_APPDATA = 0x001c;
StringBuilder path1 = new StringBuilder(256);
SHGetFolderPath(IntPtr.Zero, CSIDL_LOCAL_APPDATA, IntPtr.Zero,
0, path1);
session.Log("LOCAL APP_DATA PATH " + path1.ToString());
string ipAddress = session["IPADDRESS"];
string path = path1.Replace(@"\", @"\\").ToString();
path = path + @"\\lpa\\config\\";
session.Log("LOCAL APP_DATA PATH NOW MODIFIED " +
path.ToString());
string temp = @"
{{
""logpoint_ip"" : ""{0}""
}}";
string config = string.Format(temp, ipAddress);
session.Log("Config Generated was " + config);
System.IO.Directory.CreateDirectory(path);
try
{
System.IO.File.Delete(path + "lpa.config");
}
catch (Exception e)
{
session.Log(e.ToString());
}
System.IO.File.WriteAllText(path + "lpa.config", config);
session.Log("Ending WriteFileToDisk");
return ActionResult.Success;
}
}
}
The above code is supposed to get the value of IPADDRESS and write a file
to the folder given by CSIDL_LOCAL_APPDATA . For this I used
SHGetFolderPath inside shell32.dll using DLLIMPORT.
My Wix file is given below:
<?xml version="1.0" encoding="UTF-8"?>
<Wix xmlns="http://schemas.microsoft.com/wix/2006/wi";>
<Product Id="*" Name="CustomWixInstallerWithCustomAction"
Language="1033" Version="1.0.0.0" Manufacturer="LogPoint"
UpgradeCode="ba9015b9-027f-4451-adb2-e38f9168a850">
<Package InstallerVersion="200" Compressed="no"
InstallScope="perMachine" />
<MajorUpgrade DowngradeErrorMessage="A newer version of
[ProductName] is already installed." />
<MediaTemplate />
<Feature Id="ProductFeature"
Title="CustomWixInstallerWithCustomAction" Level="1">
<ComponentGroupRef Id="ProductComponents" />
</Feature>
</Product>
<Fragment>
<Directory Id="TARGETDIR" Name="SourceDir">
<Directory Id="ProgramFilesFolder">
<Directory Id="INSTALLFOLDER" Name="CustomWixInstaller" />
</Directory>
</Directory>
</Fragment>
<Fragment>
<ComponentGroup Id="ProductComponents" Directory="INSTALLFOLDER">
<Component Id="SomeRandomEXE">
<File Source
="G:\SarVaGYa\myworkspace\LatestLpa\lpa\lpa_c\here\src\lpa\Release\lpa.exe"
/>
</Component>
</ComponentGroup>
<Binary Id="SetupCA" SourceFile="G:\visual studio
stuffs\SetupCA\SetupCA\bin\Release\SetupCA.CA.dll"/>
<CustomAction Id="WRITEFILETODISK" Execute="immediate"
BinaryKey="SetupCA" DllEntry="WriteFileToDisk" />
<InstallExecuteSequence>
<Custom Action="WRITEFILETODISK" Sequence="2"></Custom>
</InstallExecuteSequence>
</Fragment>
</Wix>
Both get compiled but when I try to install the MSI using the command I
wrote above I get the following error:
"There is a problem with this Windows Installer package. A DLL required for
this install to complete could not be run. "
How do I solve this Issue? Can't I use DLLImport in Wix C# Custom Action.
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