GTA IV Capturing Headshots

using System;
using GTA;

// CAPTURING HEADSHOTS
// ©2011 LouNGeR
// For http://www.gtaforums.com/index.php?act=ST&t=475837

public class HeadshotTest : Script
{
    public HeadshotTest()
    {
        Interval = 250;
        this.Tick += new EventHandler(this.HeadshotTest_Tick);
    }
    private void HeadshotTest_Tick(object sender, EventArgs e)
    {
        GTA.Native.Pointer BonePointer = typeof(Int32);
        GTA.Native.Function.Call("GET_CHAR_LAST_DAMAGE_BONE", Player.Character, BonePointer);
        Int32 iBone = Convert.ToInt32(BonePointer.Value);

        // http://www.gtamodding.com/index.php?title=Ped_Bones
        // BONE_NECK: 0x4B4
        // BONE_HEAD: 0x4B5

        switch (iBone)
        {
            case 0x4B5:
                //Game.DisplayText("HEADSHOT!!");                     // Received a headshot
                Random RNG = new Random((int)DateTime.Now.Ticks);
                Double RandomNumber = RNG.NextDouble();
                if (RandomNumber < .7)                              // Let's say Niko has a 70% chance of dying
                    Player.Character.Die();
                break;
        }
    }
}