VP-UML CE plug-in architecture provides an extendable platform for developers to add functions to VP-UML CE. Developers can reference to the plug-in development guide to build their own plug-in to read, update, retrieve and delete diagrams and model elements.
* If there are more than one diagrams in any diagram type, there will be pattern watermark when export to image and copy and paste to other applications, otherwise there will be "non-commercial use only" watermark showing in top left corner.