How to: Detect Whether the WPF Plug-In for Firefox Is Installed
For more information about installing, deploying, and detecting the .NET Framework, see Install the .NET Framework for developers.
When the .NET Framework 3.5 is installed, the client computer is configured with a WPF plug-in for Firefox. The following example script checks for the WPF plug-in for Firefox and then displays an appropriate status message.
If the check for the WPF plug-in for Firefox is successful, the following status message is displayed:
The WPF plug-in for Firefox is installed.
Otherwise, the following status message is displayed:
The WPF plug-in for Firefox is not installed. Please install or reinstall the .NET Framework 3.5.
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