C#

namespace MyPanel
{
    public partial class FlowPanel : UserControl
    {
        public FlowPanel()
        {
            InitializeComponent();
            Graphics dc = this.CreateGraphics();
            this.Show();
            Pen bluePen = new Pen(Color.Blue, 3);
            dc.DrawRectangle(bluePen, 170, 10, 100, 100);

        }
    }
}

private System.Windows.Forms.GroupBox gbSelect;
        private System.Windows.Forms.RadioButton rbTrap;
        private System.Windows.Forms.RadioButton rbRect;
        private System.Windows.Forms.RadioButton rbCircular;
        private System.Windows.Forms.Label label1;
        private System.Windows.Forms.Label label2;
        private System.Windows.Forms.Label label3;
        private System.Windows.Forms.TextBox textBox1;
        private System.Windows.Forms.TextBox textBox2;
        private System.Windows.Forms.TextBox textBox3;

using (Pen bluePen = new Pen(Color.Blue, 3))
{
    // ...
}// bluePen is now out of scope and Dispose has automatically been called!

protected override void OnPaint(PaintEventArgs e)
{
    using (Pen bluePen = new Pen(Color.Blue, 3))
    {
        e.Graphics.DrawRectangle(bluePen, 170, 10, 100, 100);
    }
    base.OnPaint(e);
}

Roger Wright wrote:

my work PC has mixed feelings...

Make Up Forever wrote:

user add and remove

Manager.Add(user);
Manager.Delete(user);

PIEBALDconsult wrote:

Try it.

public class Tables
    {
        public DataTable tblTest1;
        public DataTable tblTest2;
        public DataSet dsTables;

        public Tables()
        {
            dsTables = new DataSet();
            tblTest1 = new DataTable();
            tblTest2 = new DataTable();
            dsTables.Tables.Add(tblTest1);
            dsTables.Tables.Add(tblTest2);
                        
        }

        public void ShowTables()
        {
            DataTableCollection tables = this.dsTables.Tables;

            foreach (DataTable tbl in tables)
                Console.WriteLine(tables.IndexOf(tbl).ToString());
        }
    }

    public static class Program
    {
        static int Main(string[] args)
        {
            Tables coll = new Tables();

            coll.ShowTables();
            Console.WriteLine();
            Console.ReadLine();
            return 0;
        }
    }

Console.WriteLine(tbl.TableName);