Running Assembly Reflector Add-in FAQ
Q: When I try to run the add-in, I get an error stack that looks like this:
Class already exists
System.ComponentModel.Win32Exception
at System.Windows.Forms.WindowClass.RegisterClass()
at System.Windows.Forms.WindowClass.Create(String className, Int32 classStyle)
at System.Windows.Forms.NativeWindow.CreateHandle(CreateParams cp)
at System.Windows.Forms.Control.CreateHandle()
at System.Windows.Forms.Control.get_Handle()
at System.Windows.Forms.Control.CreateHandle()
at System.Windows.Forms.ListView.CreateHandle()
at System.Windows.Forms.TreeListView..ctor()
at Reflector.RunningAssemblyAddin.SelectAssemblyForm.InitializeComponent()
A: You are running Reflector on the .NET 1.0 Framework. The add-in was built using .NET 1.1, so that won't work. You can see which version of the framework Reflector is running on by going to the Help/About .NET Reflector... dialog.