Resize Image at Runtime

if (OnlyResizeIfWider)
{
{
NewWidth = FullsizeImage.Width;
}
}

int NewHeight = FullsizeImage.Height * NewWidth / FullsizeImage.Width;
if (NewHeight > MaxHeight)
{
// Resize with height instead
NewWidth = FullsizeImage.Width * MaxHeight / FullsizeImage.Height;
NewHeight = MaxHeight;
}

System.Drawing.Image NewImage = FullsizeImage.GetThumbnailImage(NewWidth, NewHeight, null, IntPtr.Zero);

// Clear handle to original file so that we can overwrite it if necessary
FullsizeImage.Dispose();

// Save resized picture
NewImage.Save(NewFile);
}
}

Code snippet of Main method (Program.cs)

static void Main(string[] args)
{
ImageResizer imgRe = new ImageResizer();
string originalImageFilePath = System.Text.RegularExpressions.Regex.Replace(Environment.CurrentDirectory, @"\\([^\\])+\\([^\\])+(\\)?$", "") + "\\sampleImg\\1_300_300.jpg";
string newImageFilePath = System.Text.RegularExpressions.Regex.Replace(Environment.CurrentDirectory, @"\\([^\\])+\\([^\\])+(\\)?$", "") + "\\sampleImg\\" + DateTime.Now.ToShortDateString().Replace("/", "").Replace("-", "") + "_" + DateTime.Now.Ticks.ToString() + ".jpg";

imgRe.ResizeImage(originalImageFilePath, newImageFilePath, 155, 155, true);

Console.WriteLine("Press any Key to exit");
Console.ReadLine();

}