Make a straight line in ArcEngine 10 (Polyline but with ONLY start and end)

Question

So I want to allow the user to create a connection between 2 polygons on my map. So it doesn't make sense to allow them to draw polyline with multi points.

Is there a way I can do something like below BUT ONLY with 1 start and 1 end point?

private IPolyline DrawLine(IActiveView activeView, int x, int y)
{
    IPolyline line = null;
    IRubberBand rubberBand = new RubberLineClass();
    ISimpleLineSymbol simpleLineSymbol = new SimpleLineSymbolClass();

    if (activeView != null)
        line = rubberBand.TrackNew(activeView.ScreenDisplay, (ISymbol)simpleLineSymbol) as IPolyline;

    return line;
}

But I don't want the user to have to double click at the last point, it could be confusing for user; I want them to click - create start point, click - create end point.

Answer 1

I would write a custom display feedback.

Answer 2

I would probably cheat and set up a mouse event handler, when its entered check to see if the tool is selected and then on the second click, raise another click. I'm sure Kirk's way is much better though.