FlowChartX is available in two editions - Standard and Professional. Advanced features that are expensive for us to develop usually end up in the Pro version. FlowChartX Pro includes all the functionality of the standard edition, plus:
There is a separate trial version for the Professional edition available here. Download it if you are interested in evaluating the features listed above. If you are not sure what is the edition of the demo you have, please check the name of the control's dll file; it should be called flowchartpro.dll for the Pro version.