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AvalonEdit is the WPF-based text editor used in SharpDevelop. There are two builds of AvalonEdit included in this package. One that targets .NET 4.0 and one that targets .NET 3.5.

NRefactory supports analysis of C# source code: it includes a parser, abstract syntax tree, type system, semantic analysis (resolver), code completion, and several refactorings.

ICSharpCode.Decompiler is the decompiler engine used in ILSpy.

Sample code for AvalonEdit the WPF-based text editor used in SharpDevelop. Modify your App.xaml file so the StartupUri points to the AvalonEdit Sample window: StartupUri="/Samples/AvalonEdit/Window1.xaml"