Wix extensions are used to extend and customize what WiX builds and how it builds it. I plan on talking about the 3 most common types of extensions in this article series; ProprocessorExtension, CompilerExtension, and BinderExtension.
The first step in creating any set of extensions is to create a class that implements WixExtension. This class will be the container for all the extensions you plan on implementing.
Creating a bare-bones WixExtension
1. Create a new C# library (.dll) project named SampleWixExtension
2. Add a reference to wix.dll to your project
3. Add a using statement: using Microsoft.Tools.WindowsInstallerXml;
4. Make your SampleWixExtension class inherit from WixExtension.
7. Although it wont do anything yet, you can now pass the your SampleWixExtension.dll on the command line to the candle and light with the -ext flag like this: candle Product.wxs -ext SampleWixExtension.dll
The next article in this series will explain how to add a Preprocessor extension to your WixExtension.
Creating a bare-bones WixExtension
1. Create a new C# library (.dll) project named SampleWixExtension
2. Add a reference to wix.dll to your project
3. Add a using statement: using Microsoft.Tools.WindowsInstallerXml;
4. Make your SampleWixExtension class inherit from WixExtension.
public class SampleWixExtension : WixExtension {}5. Add the AssemblyDefaultWixExtensionAttribute to your AssemblyInfo.cs.
[assembly: AssemblyDefaultWixExtension(typeof(SampleWixExtension.SampleWixExtension))]6. Build
7. Although it wont do anything yet, you can now pass the your SampleWixExtension.dll on the command line to the candle and light with the -ext flag like this: candle Product.wxs -ext SampleWixExtension.dll
The next article in this series will explain how to add a Preprocessor extension to your WixExtension.
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