private void AutomateMainWindow(AutomationElement mainWindow)
{
// find the Paint.Net drawing Canvas
var canvas = mainWindow.FindDescendentByIdPath(new[] { "appWorkspace", "workspacePanel", "DocumentView", "scrollableCanvasControl", "canvasView" });
DrawSpirographWaveOnCanvas(canvas);
// the the audience appreciate the masterpiece!
Delay(5000);
var closeButton = mainWindow.FindDescendentByIdPath(new[] {"TitleBar", "Close"});
closeButton.GetInvokePattern().Invoke();
// give chance for the close dialog to open
Delay();
var dontSaveButton = mainWindow.FindDescendentByNamePath(new[] {"Unsaved Changes", "Don't Save"});
Mouse.MoveTo(dontSaveButton.GetClickablePoint().ToDrawingPoint());
Mouse.Click(MouseButton.Left);
}