/// <summary>
/// Draw a line on the screen
/// </summary>
/// <param name="x1">x position of the start of the line, in pixels</param>
/// <param name="y1">y position of the start of the line, in pixels</param>
/// <param name="x2">x position of the end of the line, in pixels</param>
/// <param name="y2">y position of the end of the line, in pixels</param>
public static void DrawLine(int x1, int y1, int x2, int y2)
{
manager.DrawLine(x1, y1, x2, y2);
}