如何修改WiX安装向导中的红色CD图标？

Hey there! Let's fix that annoying red CD icon in your WiX installer wizard. I've dealt with this exact issue before, so here's a step-by-step breakdown to get your custom icon working:

First, let's cover the two most common spots where that red CD icon shows up: the wizard dialog's top-left corner, and the taskbar/Control Panel entry for your installer.

1. Add Your Custom Icon to the Project #

First, make sure your custom .ico file (let's call it MyAppInstaller.ico) is in your WiX project directory. It should include multiple sizes (16x16, 32x32, 48x48) to display correctly across different contexts—WiX can be picky about single-size icons.

Add this to your WiX source file to define the icon:

<Icon Id="CustomInstallIcon" SourceFile="MyAppInstaller.ico" />

2. Fix the Taskbar/Control Panel Icon #

To replace the red CD icon that appears in the taskbar when the installer runs, and in the Control Panel's "Programs and Features" list, set the ARPPRODUCTICON property:

<Property Id="ARPPRODUCTICON" Value="CustomInstallIcon" />

This links your custom icon to the installer's registered product entry.

3. Replace the Wizard Dialog's Top-Left Icon #

If you're using one of WiX's default UI templates (like WixUI_Minimal, WixUI_InstallDir, etc.), the red CD icon in dialog corners comes from a built-in variable called WixUIDialogIcon. Override it with your custom icon using a WixVariable:

<WixVariable Id="WixUIDialogIcon" Value="CustomInstallIcon" />

Place this inside your <Product> element or a <Wix> root element—it should override the default icon across all wizard dialogs.

Troubleshooting If It's Still Not Working #

If your icon isn't showing up, check these common pitfalls:

• Icon Validity: Double-check that your .ico file is not corrupted and includes all required sizes. Use an icon editor to verify this.
• Build Settings: Ensure your .ico file has its Build Action set to Content and Copy to Output Directory set to Copy if newer (you can set this in the file's properties in Visual Studio).
• WiX Version Compatibility: If you're using an older version of WiX (pre-3.10), you might need to explicitly set the Icon attribute on individual dialog elements instead of using WixVariable. For example:

  <Dialog Id="WelcomeDlg" Icon="CustomInstallIcon" Width="370" Height="270" Title="!(loc.WelcomeDlg_Title)">
    <!-- Dialog content here -->
  </Dialog>
  

  Note that this requires you to customize the default WiX UI dialogs instead of using the pre-built extensions.

That should cover both spots where the red CD icon appears. Give these steps a try, and your installer should sport your custom icon in no time!

内容的提问来源于stack exchange，提问作者Pablo Fernandez