public void DrawRect(Color color, int left, int top, int width, int height)
{
GDIPen p = new GDIPen(color, 1);
this.DrawRect(p, left, top, width, height);
p.Dispose();
}
public void DrawLine(Color color, Point p1, Point p2)
{
GDIPen p = new GDIPen(color, 1);
DrawLine(p, p1, p2);
p.Dispose();
}