System.Windows.Forms.ListBox.SetSelected C# (CSharp) Method

		public void SetSelected (int index, bool value)
		{
			if (index < 0 || index >= Items.Count)
				throw new ArgumentOutOfRangeException ("Index of out range");

			if (SelectionMode == SelectionMode.None)
				throw new InvalidOperationException ();

			if (value)
			{
				SelectedIndices.Add (index);				
				tableView.SelectRows(new NSIndexSet((uint)index),true);
			}
			else
			{
				SelectedIndices.Remove (index);
				tableView.DeselectRow(index);
			}
		}
		

        private void button1_Click(object sender, EventArgs e)
        {
            // Create an instance of the ListBox.
            ListBox listBox1 = new ListBox();
            // Set the size and location of the ListBox.
            listBox1.Size = new System.Drawing.Size(200, 100);
            listBox1.Location = new System.Drawing.Point(10, 10);
            // Add the ListBox to the form.
            this.Controls.Add(listBox1);
            // Set the ListBox to display items in multiple columns.
            listBox1.MultiColumn = true;
            // Set the selection mode to multiple and extended.
            listBox1.SelectionMode = SelectionMode.MultiExtended;

            // Shutdown the painting of the ListBox as items are added.
            listBox1.BeginUpdate();
            // Loop through and add 50 items to the ListBox.
            for (int x = 1; x <= 50; x++)
            {
                listBox1.Items.Add("Item " + x.ToString());
            }
            // Allow the ListBox to repaint and display the new items.
            listBox1.EndUpdate();

            // Select three items from the ListBox.
            listBox1.SetSelected(1, true);
            listBox1.SetSelected(3, true);
            listBox1.SetSelected(5, true);

            // Display the second selected item in the ListBox to the console.
            System.Diagnostics.Debug.WriteLine(listBox1.SelectedItems[1].ToString());
            // Display the index of the first selected item in the ListBox.
            System.Diagnostics.Debug.WriteLine(listBox1.SelectedIndices[0].ToString());
        }