The DevExpress ASP.NET MVC Diagram extension can operate in read-only mode that protects the diagram content from edit operations. Set the ReadOnly option to true to switch the Diagram to read-only mode.
Local Copy of this Demo
To inspect the source code for this demo on your machine, you must first install our components via the DevExpress Component Installer.
You can open a local copy of this online demo directly from this webpage (if using v20.2.8, 21.1.4 or higher).
The source code files for this demo are installed (by default) in the following directory:
Open CS Solution
\Users\Public\Documents\DevExpress Demos XX.X\Components\ASP.NET\CS\MVCxDiagramDemos