how to draw a rectangle in c#
public void DrawRectangleInt(PaintEventArgs e)
{
// Create pen.
Pen blackPen = new Pen(Color.Black, 3);
// Create location and size of rectangle.
int x = 0;
int y = 0;
int width = 200;
int height = 200;
// Draw rectangle to screen.
e.Graphics.DrawRectangle(blackPen, x, y, width, height);
}