Resize the Image in C#

use  namespace

using System.IO;

using System.Drawing;

using System.Drawing.Imaging;

using System.Drawing.Drawing2D;

 //function to resize image

    public static System.Drawing.Image ScaleImage(System.Drawing.Image image, int maxHeight, int maxWidth)

    {

        var ratioX = (double)maxWidth / image.Width;

        var ratioY = (double)maxHeight / image.Height;

        var ratio = Math.Min(ratioX, ratioY);

        // var ratio = (double)maxHeight / image.Height;

        var newWidth = (int)(image.Width * ratio);

        var newHeight = (int)(image.Height * ratio);

        var newImage = new Bitmap(newWidth, newHeight);

        using (var g = Graphics.FromImage(newImage))

        {

            g.DrawImage(image, 0, 0, newWidth, newHeight);

        }

        return newImage;

    }