Disable Explorer Startup Delay (C#)

// SetDisableStartupDelay.cs
//
// Disable Explorer Startup Delay.
// Removes the artificial delay before startup apps launch.
//
// Usage: dotnet new console -o SetDisableStartupDelay, replace Program.cs with this
// file, then dotnet run.

using System;
using Microsoft.Win32;

using RegistryKey key = Registry.CurrentUser.CreateSubKey(@"Software\Microsoft\Windows\CurrentVersion\Explorer\Serialize");
key.SetValue("StartupDelayInMSec", 0, RegistryValueKind.DWord);

Console.WriteLine("Disable Explorer Startup Delay applied.");