ImageMagick.IptcProfile.SetValue C# (CSharp) Method

    public void SetValue(IptcTag tag, Encoding encoding, string value)
    {
      Throw.IfNull(nameof(encoding), encoding);

      foreach (IptcValue iptcValue in Values)
      {
        if (iptcValue.Tag == tag)
        {
          iptcValue.Encoding = encoding;
          iptcValue.Value = value;
          return;
        }
      }

      _Values.Add(new IptcValue(tag, encoding, value));
    }

    public void Test_IptcProfile()
    {
      using (MagickImage input = new MagickImage(Files.MagickNETIconPNG))
      {
        IptcProfile profile = input.GetIptcProfile();
        Assert.IsNull(profile);

        profile = new IptcProfile();
        profile.SetValue(IptcTag.Headline, "Magick.NET");
        profile.SetValue(IptcTag.CopyrightNotice, "Copyright.NET");

        input.AddProfile(profile);

        using (MemoryStream memStream = new MemoryStream())
        {
          input.Format = MagickFormat.Tiff;
          input.Write(memStream);

          memStream.Position = 0;
          using (MagickImage output = new MagickImage(memStream))
          {
            profile = output.GetIptcProfile();
            Assert.IsNotNull(profile);
            TestValue(profile, IptcTag.Headline, "Magick.NET");
            TestValue(profile, IptcTag.CopyrightNotice, "Copyright.NET");
          }
        }
      }
    }