همچنین می‌توانید برای انتخاب رنگ‌های دلخواه خودتان از ابزار ColorSchemer Studio استفاده کنید.

using System.IO;
using System.Text.Encodings.Web;
using Microsoft.AspNetCore.Html;

namespace Sample
{
    /// <summary>
    /// Html Helper Extensions
    /// </summary>
    public static class HtmlHelperExtensions
    {
        /// <summary>
        /// Convert IHtmlContent/TagBuilder to string
        /// </summary>
        public static string GetString(this IHtmlContent content)
        {
            using (var writer = new StringWriter())
            {
                content.WriteTo(writer, HtmlEncoder.Default);
                return writer.ToString();
            }
        }
    }
}

styles.LoadTagStyle(HtmlTags.BODY, HtmlTags.FONTFAMILY, "BNazanin");

styles.LoadStyle("english", HtmlTags.FONTFAMILY, "tahoma");

content = content.Replace("<" + word, "#!#");

public static string GenerateBarcode(string input)
{
    var barcode = new Barcode();
    var image = barcode.Encode(iType: BarcodeLib.TYPE.CODE39, StringToEncode: input, ForeColor: Color.Black, BackColor: Color.OrangeRed, Width: 200, Height: 50); 
    using var stream = new MemoryStream();
    {
        image.Save(stream, ImageFormat.Png);
    }
    return Convert.ToBase64String(stream.ToArray());
}

<img src="data:image/png;base64, @BarcodeHelper.GenerateBarcode("123")" />

public class ImageSize
    {
        public int Height
        {
            get;
            set;
        }

        public int Width
        {
            get;
            set;
        }
    }

public class ImageResizer
    {
        public ImageSize Resize(ImageSize originalSize, ImageSize targetSize)
        {
            var aspectRatio = (float)originalSize.Width / (float)originalSize.Height;
            var width = targetSize.Width;
            var height = targetSize.Height;

            if (originalSize.Width > targetSize.Width || originalSize.Height > targetSize.Height)
            {
                if (aspectRatio > 1)
                {
                    height = (int)(targetSize.Height / aspectRatio);
                }
                else
                {
                    width = (int)(targetSize.Width * aspectRatio);
                }
            }
            else
            {
                width = originalSize.Width;
                height = originalSize.Height;
            }

            return new ImageSize
            {
                Width = Math.Max(width, 1),
                Height = Math.Max(height, 1)
            };
        }
    }

 public class ThumbnailCreator
    {
        private static readonly IDictionary<string, ImageFormat> ImageFormats = new Dictionary<string, ImageFormat>{
            {"image/png", ImageFormat.Png},
            {"image/gif", ImageFormat.Gif},
            {"image/jpeg", ImageFormat.Jpeg}
        };

        private readonly ImageResizer resizer;

        public ThumbnailCreator()
        {
            this.resizer = new ImageResizer();
        }

        public byte[] Create(Stream source, ImageSize desiredSize, string contentType)
        {
            using (var image = Image.FromStream(source))
            {
                var originalSize = new ImageSize
                {
                    Height = image.Height,
                    Width = image.Width
                };

                var size = resizer.Resize(originalSize, desiredSize);

                using (var thumbnail = new Bitmap(size.Width, size.Height))
                {
                    ScaleImage(image, thumbnail);

                    using (var memoryStream = new MemoryStream())
                    {
                        thumbnail.Save(memoryStream, ImageFormats[contentType]);

                        return memoryStream.ToArray();
                    }
                }
            }
        }

        private void ScaleImage(Image source, Image destination)
        {
            using (var graphics = Graphics.FromImage(destination))
            {
                graphics.CompositingMode = CompositingMode.SourceCopy;
                graphics.CompositingQuality = CompositingQuality.HighQuality;
                graphics.SmoothingMode = SmoothingMode.AntiAlias;
                graphics.PixelOffsetMode = PixelOffsetMode.HighQuality;
                graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;

                graphics.DrawImage(source, 0, 0, destination.Width, destination.Height);
            }
        }
    }

private FileContentResult CreateThumbnail(string physicalPath)
        {
            using (var fileStream = System.IO.File.OpenRead(physicalPath))
            {
                var desiredSize = new ImageSize
                {
                    Width = ThumbnailWidth,
                    Height = ThumbnailHeight
                };


                string contentType = MimeMapping.GetMimeMapping(physicalPath);
                return File(thumbnailCreator.Create(fileStream, desiredSize, contentType), contentType);
            }
        }

 public virtual ActionResult GetThumbnail(string path)
        {
            path = GetSafeFileAndDirPath(path);
          //  return File(path, contentType); 
            return CreateThumbnail(path);
        }

using (var transaction = new TransactionScope(TransactionScopeOption.Required,
 new TransactionOptions { IsolationLevel = IsolationLevel.ReadCommitted }))
{
    var database = new DatabaseContext();

    // DBC: BEGIN TRANSACTION

    var userA = database.Users.Find(1);
    var userB = database.Users.Find(2);
    userA.Name = "Admin";

    database.SaveChanges();

    userB.Age = 28;
    database.SaveChanges();


    // DBC: COMMIT TRANSACTION

    transaction.Complete();
}

// crate a surface
var info = new SKImageInfo(256, 256);
using var surface = SKSurface.Create(info);
// the the canvas and properties
var canvas = surface.Canvas;

// make sure the canvas is blank
canvas.Clear(SKColors.White);

// draw some text
using var typeface = SKTypeface.FromFamilyName("Tahoma");
using var paint = new SKPaint
    {
      Color = SKColors.Black,
      IsAntialias = true,
      Style = SKPaintStyle.Fill,
      TextAlign = SKTextAlign.Center,
      TextSize = 24,
      Typeface = typeface,
    };
var coord = new SKPoint(info.Width / 2, (info.Height + paint.TextSize) / 2);
canvas.DrawText("آزمایش", coord, paint);

// save the file
using var image = surface.Snapshot();
using var data = image.Encode(SKEncodedImageFormat.Png, 100);
using var stream = File.OpenWrite("farsi-text-1.png");
data.SaveTo(stream);

<ItemGroup>
   <PackageReference Include="SkiaSharp" Version="2.88.3" />
</ItemGroup>

<ItemGroup>
   <PackageReference Include="SkiaSharp" Version="2.88.3" />
   <PackageReference Include="SkiaSharp.HarfBuzz" Version="2.88.3" />
</ItemGroup>

// crate a surface
var info = new SKImageInfo(256, 256);
using var surface = SKSurface.Create(info);
// the the canvas and properties
var canvas = surface.Canvas;

// make sure the canvas is blank
canvas.Clear(SKColors.White);

// draw some text
using var typeface = SKTypeface.FromFamilyName("Tahoma");
using var shaper = new SKShaper(typeface);
using var paint = new SKPaint
  {
      Color = SKColors.Black,
      IsAntialias = true,
      Style = SKPaintStyle.Fill,
      TextAlign = SKTextAlign.Center,
      TextSize = 24,
      Typeface = typeface,
  };
var coord = new SKPoint(info.Width / 2, (info.Height + paint.TextSize) / 2);
canvas.DrawShapedText(shaper, "آزمایش", coord, paint);

// save the file
using var image = surface.Snapshot();
using var data = image.Encode(SKEncodedImageFormat.Png, 100);
using var stream = File.OpenWrite("farsi-text-2.png");
data.SaveTo(stream);

Install-Package Mongo2Go

using (var runner = MongoDbRunner.Start())
{
   var client = new MongoClient(runner.ConnectionString);
   var database = client.GetDatabase("IntegrationTest");
   var collection = database.GetCollection<TestDocument>("TestCollection");
   //Just use it!
}