Can I Recover My C# Source Code from a Compiled .NET EXE?

Recovering Lost C# Source Code from a .NET EXE

Accidentally lost the source code for your C# project, but still have the compiled EXE? Don't despair! This guide shows how to recover your C# code using Reflector and FileDisassembler.

The Solution: Reflector and its FileDisassembler Add-in

These two tools are your key to retrieving the original C# code. Reflector analyzes .NET assemblies, while FileDisassembler helps reconstruct a Visual Studio project.

Step 1: Inspecting the Code with Reflector

Install Reflector and open your EXE file. Reflector will display the decompiled code, showing both the intermediate language (IL) and a reconstructed C# version. You can now review your original code within Reflector.

Step 2: Creating a Visual Studio Project

While Reflector allows code viewing, it doesn't support editing or recompiling. To regain a workable project, install the FileDisassembler add-in for Reflector. Once your EXE is loaded in Reflector, use the "FileDisassembler" menu to select "Create Project." This will generate a Visual Studio solution (.sln) file containing the decompiled C# code.

Conclusion

By combining Reflector and FileDisassembler, you can effectively recover your C# source code from a compiled .NET EXE. This allows you to review, modify, and enhance your application.

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