System.Drawing.RectangleConverter.ConvertTo C# (CSharp) Method

        public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
        {
            if (destinationType == null)
            {
                throw new ArgumentNullException(nameof(destinationType));
            }

            if (value is Rectangle)
            {
                if (destinationType == typeof(string))
                {
                    Rectangle rect = (Rectangle)value;

                    if (culture == null)
                    {
                        culture = CultureInfo.CurrentCulture;
                    }
                    string sep = culture.TextInfo.ListSeparator + " ";
                    TypeConverter intConverter = TypeDescriptor.GetConverter(typeof(int));
                    string[] args = new string[4];
                    int nArg = 0;

                    // Note: ConvertToString will raise exception if value cannot be converted.
                    args[nArg++] = intConverter.ConvertToString(context, culture, rect.X);
                    args[nArg++] = intConverter.ConvertToString(context, culture, rect.Y);
                    args[nArg++] = intConverter.ConvertToString(context, culture, rect.Width);
                    args[nArg++] = intConverter.ConvertToString(context, culture, rect.Height);

                    return string.Join(sep, args);
                }
                
                if (destinationType == typeof(InstanceDescriptor))
                {
                    Rectangle rect = (Rectangle)value;
                    ConstructorInfo ctor = typeof(Rectangle).GetConstructor(new Type[] {
                        typeof(int), typeof(int), typeof(int), typeof(int)});

                    if (ctor != null)
                    {
                        return new InstanceDescriptor(ctor, new object[] {
                            rect.X, rect.Y, rect.Width, rect.Height});
                    }
                }
            }

            return base.ConvertTo(context, culture, value, destinationType);
        }