C#

PrintDocument printDocument1 = new PrintDocument();<br />
        System.Drawing.Bitmap memoryImage;

void printDocument1_PrintPage(object sender, PrintPageEventArgs e)<br />
        {<br />
            try<br />
            {<br />
                e.Graphics.DrawImage(memoryImage, 0, 0);<br />
            }<br />
            catch (Exception ex)<br />
            {<br />
                MessageBox.Show(ex.Message,"Message",MessageBoxButtons.OK,MessageBoxIcon.Warning);<br />
            }<br />
        }

int count = Application.OpenForms.Count;<br />
                            for (int i = 0; i < count; i++)<br />
                            {<br />
                                memoryImage = new System.Drawing.Bitmap(panel1.Width, panel1.Height);<br />
                                panel1.DrawToBitmap(memoryImage, panel1.ClientRectangle);                                <br />
                                printDocument1.Print();<br />
                               printDocument1.Dispose();<br />
                            }

<br />
private void img_Map_MouseDown(object sender, MouseEventArgs e)<br />
{<br />
clickPos.X = e.X;<br />
clickPos.Y = e.Y;<br />
MessageBox.Show("Down"); //Just for verifying its firing<br />
}<br />
<br />
private void img_Map_MouseUp(object sender, MouseEventArgs e)<br />
{<br />
MessageBox.Show("Up1"); //Just for verifying its firing<br />
if ((e.X == clickPos.X) && (e.Y == clickPos.Y))<br />
{<br />
MessageBox.Show("Up2");<br />
}<br />
}

// main load
using(GenericDataReader reader = new GenericDataReader(cm.ExecuteReader()))
{
    while (reader.Read())
    {
        orders.Add(reader.Get<Order>()); // "GetList" pattern
        //return new Order(reader);    // "Get" pattern
    }
}

// generic reader; interface implementation removed
public class GenericDataReader : IDataReader
{
    // ... \\

    public T Get<T>(string name)
    {
        int i = _dataReader.GetOrdinal(name);
        if (_dataReader.IsDBNull(i))
            return default(T);
        else
            return (T)_dataReader.GetValue(i);
    }

    public T Get<T>() where T : ILoadable, new()
    {
        T entity = new T();
        entity.Load(this, false);
        return entity;
    }
}

// All business objects must implements this interface
public interface ILoadable
{
    void Load(GenericDataReader reader, bool deep);
}

// Sample business object
class Order : ILoadable
{
    int id;
    Customer customer; // Note
    DateTime orderDate;
    DateTime requiredDate;
    DateTime? shippedDate;
    List<OrderDetail> orderDetails;

    public Order(){ }

    public Order(GenericDataReader reader)
    {
        Load(reader, true);
    }

    #region ILoadable Members

    public void Load(GenericDataReader reader, bool deep)
    {
        id = reader.Get<int>("OrderID");
        customer = reader.Get<Customer>(); // Note
        orderDate = reader.Get<DateTime>("OrderDate");
        requiredDate = reader.Get<DateTime>("OrderRequiredDate");
        shippedDate = reader.Get<DateTime?>("OrderShippedDate");
        if (deep && reader.NextResult())
        {
            orderDetails = new List<OrderDetail>();
            while (reader.Read())
            {
                orderDetails.Add(reader.Get<OrderDetail>());
            }
        }
    }

    #endregion
}