Csharp/C Sharp by API/System.Windows.Forms/PaintEventHandler

new PaintEventHandler

<source lang="csharp">

using System; using System.Drawing; using System.Windows.Forms;

class PaintTwoForms {

    static Form form1, form2;
  
    public static void Main()
    {
         form1 = new Form();
         form2 = new Form();
  
         form1.Text      = "First Form";
         form1.BackColor = Color.White;
         form1.Paint    += new PaintEventHandler(MyPaintHandler);
  
         form2.Text      = "Second Form";
         form2.BackColor = Color.White;
         form2.Paint    += new PaintEventHandler(MyPaintHandler);
         form2.Show();
  
         Application.Run(form1);
    }
    static void MyPaintHandler(object objSender, PaintEventArgs pea)
    {
         Form     form = (Form)objSender;
         Graphics graphics = pea.Graphics;
         string   str;
  
         if(form == form1)
              str = "Hello from the first form";
         else
              str = "Hello from the second form";
  
         graphics.DrawString(str, form.Font, Brushes.Black, 0, 0);
    }

}

 </source>