`Group Think` may agree that managed code custom actions are bad, but I
certainly don't agree. Writing CA's in C++ compared to C# frankly, is painful
at best. I've done much research in this area and while I will certainly agree
that Installer Class CA's ( InstallUtil) suck, managed code in general does not
have to suck. If adding the CA to the install in itself created the framework
dependency, I'd say that's an issue.... but many, many shops these days are
doing .NET development so the odds are the dependency is already there.
Also the CustomActionData property maps to a property of the same name as the
custom action. So if the deferred CA's name is `testing` then the immeadiate
CA should set a property called `testing`.
[EMAIL PROTECTED] wrote:
v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);}
Baladji,
Be very careful using C# within a Microsoft Installer based installation
(like those generated using WiX). By doing so, you place an additional
dependency on the .NET framework, and has been discussed many times this is a
*bad thing*. Ideally you should choose something (e.g. C++) that can be built
to have minimal (ideally no) external dependencies.
As far as your code problem is concerned
it appears that you are setting a
property called testing, but your custom action is attempting to retrieve one
called CustomActionData. This might cause trouble. J I dont know if what you
posted is actually the code you are using, or if you sanitized it first, but it
would be worth checking.
Regards,
Richard
---------------------------------
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Balaji
Nidadavolu
Sent: Thursday, August 02, 2007 5:40 AM
To: wix-users@lists.sourceforge.net
Subject: [WiX-users] FW: passing parameters through custom actions in C#
Hi,
I am trying to pass parameters from WIX to C# code, but I am not able to do
it properly. To code that I have written on WIX side is:
<Property Id="teststring">
<![CDATA[Hello world]]>
</Property>
<CustomAction Id="testing" Return="check" BinaryKey="test" DllEntry="hello"/>
<Binary Id="test" src="test.dll" />
<CustomAction Id="testing.setproperty" Return="check" Property="testing"
Value="[teststring]" />
<InstallExecuteSequence>
<Custom Action="testing.setproperty" After="InstallFiles" />
<Custom Action="testing" After="testing.setproperty" />
</InstallExecuteSequence>
The code I have written in C# and compiled as a DLL is :
using System;
using System.Text;
using System.Runtime.InteropServices;
namespace testing
{
public class test{
public static int hello(IntPtr handle)
{
int i;
int ptrcnt = 256;
//System.Windows.Forms.MessageBox.Show( String.Format( "Hello World
{0}",handle) );
StringBuilder sb = new StringBuilder(ptrcnt);
i = MsiGetProperty(handle,"CustomActionData",sb,ref ptrcnt);
System.Windows.Forms.MessageBox.Show( String.Format ( "{0}",sb ) ;
return 0;
}
[DllImport("msi.dll", CharSet=CharSet.Unicode)]
static extern int MsiGetProperty(IntPtr hInstall, string szName, [Out]
StringBuilder szValueBuf, ref int pchValueBuf);
}
}
But I am not able to pass the property value to C#. I am compiling the code
as a dll and making necessary modifications in the ilcode to export
the method test. Can anyone please let me know if I am missing anything.
Thank you,
regards
balaji.
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