Wix Custom Action Set Property

WiX Toolset (min: 0, max: unbounded): Use to sequence a custom action of the source and sets the SourceDir property if the. NOT Installed properties get confusing very quickly, so we came up with some shortcuts that make life easier. I thought I would share some tips for debugging what's going on with an MSI. However, the custom action definition remains in the source:. There are four custom actions that execute in sequence after the InstallFinalize stage. And my CallDLL custom action is Deferred schedule. Let's change the previous code of the custom action and try to access a property during the installation process. Can you answer for my question – i want to call function in custom dll and save return value to custom property. NET Framework and having dependencies for setup is plain bad design. There are quite a lot of types for defining Custom Actions such as SetDirectory, SetProperty, calling functions from VBScript and etc. Because this process can take a while, I tried to work out how to display custom status text while the custom action was running, but had no luck in finding any documentation about how to do this until just recently. WiX 3 Tutorial: Understanding main WXS and WXI file. Here’s a complete list:. The final Custom tag mentioned above needs to go into the InstallUISequence section, not the InstallExecuteSequence section, as the custom action needs to be called before the dialog is displayed. This is difficult because you have a C# Installer class custom action - these get called indirectly via an intermediate DLL, and can receive properties from the install through that DLL, but are a bit limited. Ideally, we'd use the CAQuietExec special custom action to avoid a command screen from briefly flashing on the screen, but CAQuietExec must be run after the InstallInitialize phase, by which time the Windows Installer has already detected that the system tray app is running, and it's too late for us to do anything about it. to set up ARPINSTALLLOCATION property. It is possible to pass needed arguments to MSI\WIX setups from command line. And my CallDLL custom action is Deferred schedule. Can be based on the value of other properties. In this post I want to describe the issues and pain points I had when trying to generate a setup package for a complex product with many thousand of files. I had hoped to use the SetProperty element introduced in WiX v3. The custom action will be linked to this UI event, thus we no longer need to schedule it in the InstallExecuteSequence tag. exe, the compiler and linker in WIX, respectively. The WiX markup: I would also retrieve the property after you set it in your C++ custom action to determine if it has been set correctly (it could be blank). Before we will start discussing what is in the generated code, let's talk about what Windows Installer is expecting from dll in order to be a good behaving MSI custom action dll. It's very important for this custom action not to be obvious to crack. InstallShield 2012 Spring. Subject: Re: [WiX-users] How to turn off Logging within C# custom actions [P] Importance: High Classification: Public Sigh, This is what I did but my SQL Server database password is STILL showing up in the MSI log file, what is weird is that the deferred custom actions that are called in the Product. Christopher Painter I am an Architect with expertise in Application Life Cycle Management. I worked around this issue by changing my project files to output the binaries to the same location as Team Foundation Build. In those cases it is up to you to encode the URL to reflect your intentions. Intel64) this package is compiled for (set by the Package element. Sign-up takes less than 60 seconds Custom thank-you page Set up a thank-you message and/or redirect visitors to a web page or to a WordPress, Wix, Shopify and. targets file is a target named CheckRequiredProperties. The companion CodeProject article EchoInst. Also you could use CustomActionData to store property value and then use it in C# or VB. Get and set a property in a DTF C# custom action: 2. The second action is to call a custom action I wrote to set the INSTALLDIR property based on the chosen web site. Note: When we render the popup, we’ll calculate if the popup will fit in the requested position with the specified size. I can set and get the same MSI property and value before calling the condition message, but it is failing when I use it in condition message. Deferred Custom action cannot directly modify installer properties. In my project, I set a global property (a flag) a new value in the OnFirstUIBefore(), then I use this flag as the condition to drive the behavior of a Custom Action. When the product is uninstalled, REMOVE is set to "ALL". Custom actions are scheduled in sequence tables in the same way as standard actions. Windows Installer references CustomAction Table Parents Fragment, Module, Product Inner Text (xs:string) The condition that determines whether the Property is set. Advanced Custom Actions and Conditions:. Custom actions need to be mentioned in two places in the source file. It is quite. You could write a C++ custom action that calls MsiSetProperty() a bunch of times. although you set REBOOT=ReallySuppress, the CustomAction overrides this and sets the REBOOT property to FORCE. Promote your business, showcase your art, set up an online shop or just test out new ideas. 05/31/2018; 2 minutes to read; In this article. NET MVC provides a simple and versatile means of returning different types of response to the browser. com is a leading cloud-based development platform with millions of users worldwide. At the top of the wix. Why a Custom Action May Not Run VS15 VS2005SP1 VS2008SP1 VS2010 VS2010SP1 VS2012 VS2013 VS2015 VS2017 VSUpdate Windows 7 WiX Installer custom actions that. Usually custom actions can access properties (like TARGETDIR, INSTALLDIR, OriginalDatabase, etc. Before we will start discussing what is in the generated code, let's talk about what Windows Installer is expecting from dll in order to be a good behaving MSI custom action dll. dll) is controlling your reboot behavior. To set the hidden property on an element, use the element's hide() or show() functions. The WiX (Windows Installer XML) toolset is a collection of open source tools that assists the creation of MSI installations. Promote your business, showcase your art, set up an online shop or just test out new ideas. For example, if the primary key for the deferred execution custom action is "MyAction" set a property named "MyAction" to the property X which you need to retrieve. Custom Element Description Use to sequence a custom action. In your WiX markup, you can set a property with a custom action that has a Property attribute that matches the custom action you want to pass the property to. I can set and get the same MSI property and value before calling the condition message but it is failing when i use it in condition message. Installing WiX Toolset will get you all the tools to compile all XML files in your WiX project. Without effect if a custom template is used. Custom Action Type 51. Although not related to custom/standard actions, I think something needs to be done about handling MSI dependencies. This is difficult because you have a C# Installer class custom action - these get called indirectly via an intermediate DLL, and can receive properties from the install through that DLL, but are a bit limited. It was a Tuesday. Documentation is sparse and/or incomplete as in many other OSS projects. Session information is only reserved for the immediate phase. This is a more advanced WiX sample. In this way our features are only ever installed if the property value has been set to TRUE or FALSE via the command line. Recently I had a requirement where I had to pass a value, set by the Wix compiler, to one of my deferred custom actions. WiX doesn't change the underlying MSI architecture and it can be a huge pain in the ass sometimes. Hi Prasad, If your custom action is of immediately one, then you don't have to pass installer properties through the CustomActionData property. What I am trying to do is query IIS for a list of the WebSites currently on the machine and populate them in a combobox for the user to select. Beautiful Real Estate Websites That Get Results. What's Not in the Book. I already spent a few hours trying to do so using various variants, with no success. You can also display a Share button next to the Like button to let people add a personal message and customize who they share with. For many pentesters, Meterpreter's getsystem command has become the default method of gaining SYSTEM account privileges, but have you ever have wondered just how this works behind the scenes?. 11集成到visual studio 2017中。 wix安装包可以从SourceForge Wix网站下载。 安装包项目结构分为6个目录和一个主文件. NOT Installed properties get confusing very quickly, so we came up with some shortcuts that make life easier. This custom action sets a property from a formatted text string. So it is not possible to build a WiX project in the 'Any CPU' platform configuration because that platform does not exist. When you have both VS2017 and VS2019 installed side by side, the custom action VS2017Setup in Wix Toolset v3. Custom action Condition on Property value?. Open Reports. Be aware that the Add reference panel for the WiX setup projects is custom and it slightly differs from the default one. 05/31/2018; 2 minutes to read; In this article. If you’re a developer needing to create installers for Microsoft Windows, then this book is essential. Deferred custom actions can't access properties, so they have to be set using a custom action -> <. Add the custom action call from the user interface. So, it is up to you how to pass the property back to the client process. The Port attribute supports Formatted values, but the result of the formatting must still be a single integer. When someone visits your website and takes an action (for example, buying something), the Facebook pixel is triggered and reports this action. In this way our features are only ever installed if the property value has been set to TRUE or FALSE via the command line. The WixUI_Mondo wizard gives the user the option of installing a "Typical", "Complete" or "Custom" install. I already spent a few hours trying to do so using various variants, with no success. This is accomplished by creating a Type 51 custom action that is appropriately scheduled in the InstallUISequence and InstallExecuteSequence. Why? Well, my first guess was that an errant custom action was messing things up. Usually custom actions can access properties (like TARGETDIR, INSTALLDIR, OriginalDatabase, etc. This library contains many convenience functions that make it easier to write custom actions in C++. Wix Set an Environment Variable Conditionally at Runtime wix,windows-installer,custom-action I'm using Wix 3. 0); Using Patch Creation Properties (the way similar to version 2. I want to use a MSI installer property in condition message in WiX installer. - The timing options above will ensure that the installation aborts if the VALID_SERIAL property is not set to "TRUE". Promote your business, showcase your art, set up an online shop or just test out new ideas. It integrates several editors with the Visual Studio IDE and provides a set of vdproj designers to configure the file system, registry, user interface, custom actions, launch conditions and more for your setup projects. Adding Dummy Custom Action to the Installer. Take a spin through the WiX custom action library if you don't believe me. Using VBScript you can retrieve the property very easily. In order to determine which, if any, of the bundled packages and features, as well as the bundle itself, are already installed on the system, and at what versions, we'll ask the WiX engine to detect current state by calling Engine. This example will focus on the WixUI_Installer set of. At first, I was a bit disappointed the immediate lines above the issue were truncated. This article gives you a detailed description about how to pass data to custom actions in a WIX Installer using command line arguments. Ani Lee, founder of Indonesia First Language training center talks about how she started the business and compares Chinese and Indonesian businesses. The Designer for WiX Toolset lets you forget the plain Windows Installer XML and concentrate on your deployment logic. Custom actions can be dynamic linked libraries, Visual Basic scripts or JavaScript files. WiX is an installer language based on XML, a toolset that builds Windows installation packages MSIs from XML files. Our software and services protect against more risks at more points, more completely and efficiently, enabling confidence wherever information is used or stored. Promote your business, showcase your art, set up an online shop or just test out new ideas. lib, you also need to link against dutil. It seems that WiX projects use the platform configuration to determine what mode they're building in so they only allow x86 or x64 platform configurations. Now that we're executing in the deferred phase, our custom action can't access the session information in WIX. Many Properties (and several Windows Installer API's) are not available to a custom action running deferred. I was looking into how a rollback Custom Action is defined in WiX. You can receive this data in a class using a context object as follows: Context. How to create fully fledged C# custom actions. Additionally I am the author of the ISWIX Blog and the Industrial Strength Windows Installer XML (IsWiX) project on CodePlex. See the Set Property dialog for more details. NET Framework and having dependencies for setup is plain bad design. The problem was the property was not set instantly when I click the next button, I need to press it twice to set the property correctly but when I added Order attributes, it works like a charm. It seems that WiX projects use the platform configuration to determine what mode they're building in so they only allow x86 or x64 platform configurations. This Custom Action DLL can link in any other kind of DLL to itself, so if third party code is necessary for the Custom Action it can be utilized there. Wix doesn’t have an export function, so you can’t migrate your website to another platform. Solutions for WiX problems such as enable \ disable controls, Custom Actions in C#, running EXE within the installation, and setting icon for MSI and Add/Remove programs. Sequencing Custom Actions. Moved Permanently. images (Optional) - Overwrites default installer images with custom files. The Set Property will initialize the QtExecCmdLine value just before executing the Call Dll custion action. // It sets the property VSLCID if LCID could be found, otherwise it does not assign any value. Note: When we render the popup, we’ll calculate if the popup will fit in the requested position with the specified size. targets file is a target named CheckRequiredProperties. The issue was that the custom action is set to run immediate so the sequence was putting it before the license on my install. I always recommend major upgrade - uninstall and reinstall is much cleaner. A single click on the Like button will 'like' pieces of content on the web and share them on Facebook. Now that we have created a custom user profile field, let’s add it to the custom user registration form in WPForms and then map it. BARE - a simple popup with no border, close button, shadow, etc. Custom Action Types. > > If you truly cannot "fix" this via documentation then you will need some > sort of custom action that can take a property who's value represents a > path > and. When the product is uninstalled, REMOVE is set to "ALL". Variables & Conditional Statements in Wix. In the next example, we want to pass the MYPROPERTY property to a custom action called myDeferredCA. You'll also be able to reach this customer again by using a custom audience. To use these custom actions we need to reference WIXUtilExtension to the setup project. This book gives you a good overview of WiX's capabilities to. Additional properties can be specified by authored data or custom actions. That way both desktop and continuous integration builds can use the same reference to the common binaries directory. 2015/04/15 Re: [WiX-users] how to define a custom variable in bundle. I am using these conditions but they are behaving strangly: and in the WiX docs. The purpose of this article is to examine a C++ Custom Action DLL that can be used with Wix for deferred custom actions. My condition message is looks like. specific properties set by WiX compiler instead of hard-coded values: if you are running Custom Actions with system. Rollback custom actions Custom actions that are scheduled as "deferred" execute during the Execute sequence's rollback-protected phase. You might use this to get environmental variables from the build machine, get the directory where your source files are, or access custom variables you've set up in a separate WiX include file (. Part 1: Creating and Hooking Up a Custom Action DLL. You could write a C++ custom action that calls MsiSetProperty() a bunch of times. My last post showed how to use VBScript functions as CustomActions. WiX Toolset (min: 0, max: unbounded): Use to sequence a custom action of the source and sets the SourceDir property if the. Unique and powerful suite of software to run your entire business, brought to you by a company with the long term vision to transform the way you work. To use these custom actions we need to reference WIXUtilExtension to the setup project. Wix is a giant of the website builder industry with 1,800 staff worldwide, a reported 110 million users and a claimed average of 45,000 new signups every day. Get and set a property in a C++ custom action: 3. So, it is up to you how to pass the property back to the client process. The logical value of a property reflects whether it has been set---meaning that you cannot check for a logical value by simply using the property: PROPERTY This will evaluate to true if the property has been set and has any value, even if this value is false or 0. In the second part is shown the example with some parameters passed from WIX to C# code. Wix, San Francisco, California. As you might guess from the sugar's name, Type 51 custom actions assign a value to a property. There are many different types of custom actions that can be added with Windows Installer files, and they can be used for a variety of different purposes. For this post I am assuming you are aware of how to use Wix and what custom actions are. This approach worked for me. // It sets the property VSLCID if LCID could be found, otherwise it does not assign any value. Our software and services protect against more risks at more points, more completely and efficiently, enabling confidence wherever information is used or stored. I took it with some improvements into WixUtilExtension in WiX v3. I've even tried to give the property Id a value in case I missed something and still doesn't work. I don’t know if Windows Installer psses properties back from server process to client process and based on your testing it does not look like it passes them. Installing WiX Toolset will get you all the tools to compile all XML files in your WiX project. You can export your website codes, but future edits must be done by modifying the codes (not beginner friendly). We also regularly have to use custom actions for configuring security where the LockPermissions table cannot be used. Want to serve a PDF file with dynamically-generated content? Do an SEO-friendly permanent redirect? Dino shows you how simple this can be using a tailor-made ActionResult. Custom Action Tutorial Part I – Custom Action Types and Sequences This is the first part of a multi-part series on Custom Actions in the MSI world. Summary In WIX 3. It was a Tuesday. In this part of the tutorial, we will configure the development environment and create a baseline project to start from when developing future Custom Actions. Variables & Conditional Statements in Wix. It seems that WiX projects use the platform configuration to determine what mode they're building in so they only allow x86 or x64 platform configurations. To check that PowerShell is installed on a target system, you can add the predefined system search for PowerShell to your project, and configure your PowerShell custom action to run only if the system search determines that. WiX Toolset (min: 0, max: unbounded): Use to sequence a custom action of the source and sets the SourceDir property if the. Build a Custom Action InstallHelper Configuration Editor When you build an MSI Installer for your project using the Visual Studio built - in Setup Project types, the support for custom editing of configuration settings and / or performing additional installation - related tasks is limited. The logical value of a property reflects whether it has been set---meaning that you cannot check for a logical value by simply using the property: PROPERTY This will evaluate to true if the property has been set and has any value, even if this value is false or 0. This book gives you a good overview of WiX's capabilities to. At the top of the wix. Your requirement seems to indicate > that you are not allowed to communicate to the package author what > directory > they are supposed to supply to you when performing the merge. The final Custom tag mentioned above needs to go into the InstallUISequence section, not the InstallExecuteSequence section, as the custom action needs to be called before the dialog is displayed. We make it easy for everyone to create a beautiful, professional web presence. This is a more advanced WiX sample. 05/31/2018; 2 minutes to read; In this article. This Custom Action DLL can link in any other kind of DLL to itself, so if third party code is necessary for the Custom Action it can be utilized there. Android-app ads: Use the Google Play URL Builder. If I tried to explain what we were doing and why in the last installment of this tutorial, you would be even more lost now than you probably are. Session information is only reserved for the immediate phase. There are a couple of custom actions as well (custom here means that they don't appear in the standard course of events but you can use them wherever and whenever you like). If your condition is set in an installer property, the easiest thing to do is add the ScheduleReboot action to your InstallExecuteSequence with Orca and give it a. ) directly by using MsiGetProperty. Advanced Custom Actions and Conditions:. 4k Followers, 1,578 Following, 1,392 Posts - See Instagram photos and videos from Wix (@wix). There are two ways to do this: from your WiX code or from inside another C# custom action. The installation process can be controlled using custom actions. - The timing options above will ensure that the installation aborts if the VALID_SERIAL property is not set to "TRUE". I was looking into how a rollback Custom Action is defined in WiX. We also regularly have to use custom actions for configuring security where the LockPermissions table cannot be used. By leaving that condition now the custom action doesn't work anymore. In this article, we will use the "Setup Project" project type. Can I do this using standart set of action type? Or it is possible to do only by set a property value inside dll (using MsiGetProperty and MsiSetProperty)? May be you have new article about this?. Comparing MSI Factory to InstallShield and Wise Use the chart below to compare MSI Factory’s features to a variety of competitive installer products. What I am trying to do is query IIS for a list of the WebSites currently on the machine and populate them in a combobox for the user to select. As a result of this change, apps are unable to publish custom Open Graph Stories. Although not related to custom/standard actions, I think something needs to be done about handling MSI dependencies. - Select the "CollectUserInformationDlg" dialog. Immediate CA (Can't be rolled back): In order to pass arguments to the immediate CA you can set a property with the required name and access it from your session. Change Wix Product version number using NANT XmlPoke. Deferred custom actions can't access properties, so they have to be set using a custom action -> <. Custom Action Tutorial Part I – Custom Action Types and Sequences This is the first part of a multi-part series on Custom Actions in the MSI world. As that element value is 1, that action is always executed. To set the hidden property on an element, use the element's hide() or show() functions. And my CallDLL custom action is Deferred schedule. If not, we’ll set the position to the center of the viewport:. Get and set a property in a C++ custom action: 3. It integrates several editors with the Visual Studio IDE and provides a set of vdproj designers to configure the file system, registry, user interface, custom actions, launch conditions and more for your setup projects. Its declarative style avoids the complexity and limitations of procedural code, providing you with everything you need to package up an entire application into a single MSI file. Get and set a property in a Visual Basic and Java scripts custom action:. Moved Permanently. 9 over the 11 months since WiX v3. From what I've seen, Wix offers statements, and conditional pre-processor. NET Custom Actions and Custom MSI UIs. There are many different types of custom actions that can be added with Windows Installer files, and they can be used for a variety of different purposes. In the Custom UI we show all four application names and based on the user selection I set bundle variable value. The Designer for WiX Toolset lets you forget the plain Windows Installer XML and concentrate on your deployment logic. I had hoped to use the SetProperty element introduced in WiX v3. A quick examination of the MSI log files with the verbose option enabled revealed that it was because the WixExitEarlyWithSuccess custom action is scheduled after FindRelatedProducts and my instance of the NEWERVERSIONDETECTED property is not set yet when run in silent mode when the WixExitEarlyWithSuccess custom action is processed. start by adding a project reference to the WiX project for the Encryption project. Beautiful Real Estate Websites That Get Results. Advanced Custom Actions and Conditions:. CustomAction Element Description Specifies a custom action to be added to the MSI CustomAction table. The WiX markup: I would also retrieve the property after you set it in your C++ custom action to determine if it has been set correctly (it could be blank). Adding conditions to custom actions After you've defined your custom actions and scheduled them into either InstallUISequence or InstallExecuteSequence, you have the option of adding conditions to them. Agent Image creates the best real estate websites for REALTORS®, agents and brokers. WiX 3 Tutorial: Understanding main WXS and WXI file. In those cases it is up to you to encode the URL to reflect your intentions. Source code. Installing WiX Toolset will get you all the tools to compile all XML files in your WiX project. Browse the Wix website and clues to. WiX is a dialect of XML used to make installers for Windows. If I tried to explain what we were doing and why in the last installment of this tutorial, you would be even more lost now than you probably are. Additionally I am the author of the ISWIX Blog and the Industrial Strength Windows Installer XML (IsWiX) project on CodePlex. exe and light. This article describes how to use a WiX MSI installer to configure SSL encryption for the default web site of IIS with a provided certificate when installing a web application. This library contains many convenience functions that make it easier to write custom actions in C++. This is the third in a series of articles about building Custom Actions. Now that we have created a custom user profile field, let’s add it to the custom user registration form in WPForms and then map it. Custom Action ShowProperty is using CustomActionData property now. Wix is powerful, and I wouldn't recommend any other installation build system for serious projects. This is a more advanced WiX sample. I want to use a MSI installer property in condition message in WiX installer. The Windows Installer can execute a bunch of different custom action types, including VBScript and JScript, but it cannot execute PowerShell scripts natively. Symantec helps consumers and organizations secure and manage their information-driven world. You have to give me some time to take my WiX project to point out the points you are interested in. Custom Action Tutorial Part I – Custom Action Types and Sequences This is the first part of a multi-part series on Custom Actions in the MSI world. Typical use for this custom action is to find the installation path for the executable using registry search first. < Custom Action ="Tools. 6: A Developer's Guide to Windows Installer XML [Book]. @HostBinding and @HostListener are two decorators in Angular that can be really useful in custom directives. TIL - Elixir Jason. Our software and services protect against more risks at more points, more completely and efficiently, enabling confidence wherever information is used or stored. The Windows Installer provides a feature tree control that makes it easy for users to choose which features to install and uninstall. WiX - start application after install. The purpose of a deferred execution custom action is to delay the execution of a system change to the time when the installation script is executed. It integrates several editors with the Visual Studio IDE and provides a set of vdproj designers to configure the file system, registry, user interface, custom actions, launch conditions and more for your setup projects. This article will show you some features of the Windows Installer XML. Thanks for hosting, Aaron!] In Part I we covered the dry material - what custom actions are, and how to use them. This is the third in a series of articles about building Custom Actions. For more information about custom actions see the Custom Action Types topic on MSDN. The companion CodeProject article EchoInst. You can now visit Users » Your Profile page to see the field in action. My MSI is installed via command line. WiXAware installs ODBC drivers, and registers any DSNs or translators that your application needs for database connectivity. How to Elevate a Per User Installer Using WiX November 19, 2016 the power of WiX (including custom actions in C#), you are missing out! undefined and then set. Specifically, Microsoft TFS, C#, Windows Installer (MSI), InstallShield and WiX technologies. although you set REBOOT=ReallySuppress, the CustomAction overrides this and sets the REBOOT property to FORCE. In the next example, we want to pass the MYPROPERTY property to a custom action called myDeferredCA. Custom variables can also be defined in your xml. Promote your business, showcase your art, set up an online shop or just test out new ideas. I want to use an MSI installer property in a condition message in a WiX installer. - Select the "CollectUserInformationDlg" dialog. For very specialized actions that the Windows Installer provides no solution for (eg. So pick from one of the many free landing page templates or any other template of your liking and read on to learn how to make your Wix website more dynamic:. wxs are hidden, but the deferred custom actions in my merge module are NOT. Thu Apr 15, 2010 by Mladen Prajdić in wix-windows-installer-xml-toolset. I'm using C# custom action in order to update installer properties. - Click OK to accept the new custom action. I have custom action located under User Selection with Execution time: Immediately. WiX: Set properties from managed Custom Action and change config/xml files This time my area to learn was: Set installation properties from "ini" file for a specific environment and use that to change some values inside configuration files (in my case only xml-based). < Custom Action ="Tools. Wix: Can't set a property with a custom action Tag: c# , wix , installer , windows-installer I have a dialog that's part of my installer to enter a activation key. We can do this in WIX by using the custom actions. We make it easy for everyone to create a beautiful, professional web presence. Set your ODBC driver, data source and translator attributes easily using the visual property editors. The Designer for WiX Toolset lets you forget the plain Windows Installer XML and concentrate on your deployment logic. The articles are designed to be read in order, as each one will build from knowledge gained in the previous ones. New in this week's WiX build 3. We can do this in WIX by using the custom actions. Assigning a Property the value of another Property is a simple internal-only custom action. Now I wanted to say that *all* custom actions should be data driven from a table but there are some rare cases where it doesn't make sense. Attributes and Properties in Custom Elements Now that we went over some of the basic concepts of Web Components and Custom Elements, let’s push our exploration a little bit further and discuss attributes and properties. Pass installer properties in deferred custom action. SetProperties" Before ="CostFinalize" /> Just to repeat it again, in my case I set it as Before CostFinalize, as part of the job was to configure a property for an INSTALLLOCATION directory. This MSI property is set by a C++ custom action. And my CallDLL custom action is Deferred schedule. Thanks for hosting, Aaron!] In Part I we covered the dry material - what custom actions are, and how to use them. WiX: Set properties from Custom Action. My last post showed how to use VBScript functions as CustomActions. 9 over the 11 months since WiX v3. Let us assume your custom action name is MyCustomAction. File and Component elements allow you to add new files to the end user's computer. Add the custom action call from the user interface. InstallExecuteSequence Element. Can be based on the value of other properties. To pass data to this custom action we need to declare another custom action which will set a property named "MyCustomAction" to the value you want to pass to.