C#

[TypeConverter(typeof(MyCollectionConverter))]<br />
    public class MyCollection<br />
    {<br />
        <br />
        private Color color1 = Color.White;<br />
        private Color color2 = Color.Black;<br />
        private int value1 = 0;<br />
        private int value2 = 0;<br />
        private bool blink = false;<br />
        private bool visible = true;<br />
        private string nname = string.Empty;        <br />
                <br />
        [Browsable(true)]<br />
        public Color Color1<br />
        {<br />
            get { return color1; }<br />
            set { color1 = value; }<br />
        }<br />
<br />
        [Browsable(true)]<br />
        public Color Color2<br />
        {<br />
            get { return color2; }<br />
            set { color2 = value; }<br />
        }<br />
<br />
        [Browsable(true)]<br />
        public int Value1<br />
        {<br />
            get { return value1; }<br />
            set { value1 = value; }<br />
        }<br />
<br />
        [Browsable(true)]<br />
        public int Value2<br />
        {<br />
            get { return value2; }<br />
            set { value2 = value; }<br />
        }<br />
<br />
        [Browsable(true)]<br />
        public bool Blink<br />
        {<br />
            get { return blink; }<br />
            set { blink = value; }<br />
        }<br />
<br />
        [Browsable(true)]<br />
        public bool Visible<br />
        {<br />
            get { return visible; }<br />
            set { visible = value; }<br />
        }<br />
<br />
        [Browsable(true)]<br />
        public string Name<br />
        {<br />
            get { return name; }<br />
            set { name = value; }<br />
        }        <br />
<br />
        public MyCollection()<br />
        {<br />
        }<br />
    }

public class MyCollectionConverter : CollectionBase<br />
    {<br />
        public MyCollectionConverter ()<br />
        {<br />
        }<br />
<br />
        public int Add(MyCollectione)<br />
        {<br />
            return this.InnerList.Add(e);<br />
        }<br />
<br />
        public void AddRange(MyCollection[] es)<br />
        {<br />
            this.InnerList.AddRange(es);<br />
        }<br />
<br />
        public void Remove(MyCollectione)<br />
        {<br />
            InnerList.Remove(e);<br />
        }<br />
<br />
        public new void RemoveAt(int index)<br />
        {<br />
            InnerList.RemoveAt(index);<br />
        }<br />
<br />
        public bool Contains(MyCollection e)<br />
        {<br />
            return InnerList.Contains(e);<br />
        }<br />
<br />
        public MyCollection this[int index]<br />
        {<br />
            get { return (MyCollection)this.InnerList[index]; }<br />
            set { this.InnerList[index] = value; }<br />
        }<br />
    }

Form2 form2 = new Form2();
form2.Show();