Enable Win32 Long Paths (C#)

// SetEnableLongPaths.cs
//
// Enable Win32 Long Paths.
// Lifts the legacy 260-character MAX_PATH limit for apps that opt in (requires admin). Requires an elevated (Administrator) prompt.
//
// Usage: dotnet new console -o SetEnableLongPaths, replace Program.cs with this
// file, then dotnet run.

using System;
using Microsoft.Win32;

using RegistryKey key = Registry.LocalMachine.CreateSubKey(@"SYSTEM\CurrentControlSet\Control\FileSystem");
key.SetValue("LongPathsEnabled", 1, RegistryValueKind.DWord);

Console.WriteLine("Enable Win32 Long Paths applied.");