Make a Filters With Aforge Library in .NET(c#)

First Filter With Aforge

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using AForge;
using AForge.Imaging;
using AForge.Controls;
using AForge.Genetic;
using AForge.Imaging.ColorReduction;
using AForge.Imaging.ComplexFilters;
using AForge.Imaging.Filters;
using AForge.Imaging.Textures;
using AForge.Math.Geometry;
using AForge.Math.Metrics;
using AForge.Math.Random;
using AForge.Neuro.Learning;
using AForge.Neuro;
using AForge.Video.DirectShow;
using AForge.Video;
using AForge.Vision.Motion;
using AForge.Vision;

namespace FiltersWithAforge
{
    public partial class Form1 : Form
    {
        
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            pictureBox1.ImageLocation = "sample1.jpg";
        }

        private void button1_Click(object sender, EventArgs e)
        {
            LevelsLinear filter = new LevelsLinear();
            filter.InRed = new IntRange(30, 320);
            filter.InGreen = new IntRange(50,240);
            filter.InBlue = new IntRange(10,210);
            Bitmap image = new Bitmap("sample1.jpg"); 
            filter.ApplyInPlace(image);
            pictureBox2.Image = image;
             
        }
    }
}