StartBarsAgo

An int value representing the number of bars ago of the starting point

StartTime

A DateTime structure representing the time of the starting point

StartY

A double value representing the y value of the starting point

EndBarsAgo

An int value representing the number of bars ago of the ending point

EndTime

A DateTime structure representing the time of the ending point

EndY

A double value representing the y value of the ending point

Pen

The Pen object used to draw the object

protected override void OnBarUpdate()
{

    // Draws an Extended Line
    IExtendedLine extLine = DrawExtendedLine("tag1", false, 10, Close[10], 0, Close[0], Color.LimeGreen, DashStyle.Dot, 2);

    // Print the number of bars ago the starting point is located at

    Print(extLine.StartBarsAgo);
}