Công cụ mở tệp PUB

    // Load PUB file
    var parser = PubFactory.CreateParser("sample.pub");
    // Parse file 
    var doc = parser.Parse();
    // Print document properties
    Console.WriteLine($"Page width: {GetInchesString(doc.Width)}");            
    Console.WriteLine($"Page height: {GetInchesString(doc.Height)}");
    Console.WriteLine($"Field count: {doc.FieldCount}");
    string fontNames = GetCollectionString(doc.FontNames);
    if (!string.IsNullOrEmpty(fontNames))
    {
        Console.WriteLine($"Fonts used in document: {fontNames}");
    }
    string colors = GetCollectionString(doc.Colors);
    if (!string.IsNullOrEmpty(colors))
    {
        Console.WriteLine($"Colors used in document: {colors}");
    }

    // Description of invoked methods:
    
        private string GetInchesString(uint size)
        {
            double value = (double)size / EMUsesInOneInch;
            return Convert.ToString(value) + " inches";
        }

        private string GetCollectionString(ICollection array)
        {
            if (array.Count == 0)
            {
                return null;
            }

            StringBuilder sb = new StringBuilder();
            int num = -1;
            IEnumerator enumerator = array.GetEnumerator();

            while (enumerator.MoveNext())
            {
                num++;
                sb.Append(GetObjectStirng(enumerator.Current));
                if (num < (array.Count - 1))
                {
                    sb.Append(", ");
                }
            }

            return sb.ToString();
        }

        private string GetObjectStirng(object value)
        {
            if (value is Color)
            {
                Color colorVal = (Color)value;
                return $"RGB({colorVal.R}, {colorVal.G}, {colorVal.B})"; 
            }

            return value.ToString();
        }