Code

public FlowChart AddPage()
{
	AutoScroll = true;
	AutoScrollMargin = new Size(10, 10);

	FlowChart flowChart = new FlowChart();
	flowChart.DocExtents = new RectangleF(0, 0, 210, 297);
	flowChart.ShowScrollbars = false;
	flowChart.AutoScroll = false;
	flowChart.AutoSizeDoc = AutoSize.None;
	flowChart.BackColor = Color.White;

	int numFlowcharts = Controls.Count;
	Controls.Add(flowChart);

	Rectangle deviceBounds = flowChart.DocToClient(flowChart.DocExtents);
	flowChart.Location = new Point(
		10, 10 + numFlowcharts * (10 + deviceBounds.Height));
	flowChart.Size = new Size(deviceBounds.Width, deviceBounds.Height);

	return flowChart;
}

public void Print()
{
	// use the default printer (or call PrintDialog to get
	// a PrintDocument representing a printer selected by the user)
	PrintDocument doc = new PrintDocument();

	int page = 0;
	foreach (FlowChart flowChart in Controls)
	{
		flowChart.PrintOptions.HeaderFormat = (++page).ToString();
		flowChart.PrintOptions.ScaleToPage(doc);
		flowChart.Print(doc);
	}
}