Save and Load Part of Diagram Data to/from JSON Files

Posted on by

In this blog post we will demonstrate how you can implement methods that save and load part of the information that a diagram renders into JSON format. The Diagram class has built-in toJson and fromJson methods. They serialize completely the diagram with every detail so you can restore it completely, exactly the way you see it. What we are going to do is write custom save and load methods that use only part of the information – namely the size and location of nodes and links as well as their text.

Continue reading →

Building ListView-like TableNode-s with Blazor Diagram

Posted on by

In this blog post we look how you can create TableNode that render their cells following the logic of a list view: the tables have as many table columns and rows as needed in order to fit their content. The width of each column is fixed. When necessary, tables can be scrolled vertically. This is the final result:

TableNodes in Blazor

Continue reading →

Custom diagram canvas pagination

Posted on by

In this post we’ll show how to implement Visio-like dynamic pagination of the diagram canvas, expanding or shrinking it while users draw nodes interactively, and rendering custom page borders. This is demonstrated using MindFusion Windows Forms Diagram control, but equivalent APIs are provided by MindFusion diagramming libraries for other platforms.

Continue reading →

Candlestick Financial Chart in JavaScript with Real-time Data

Posted on by

In this blog post we will build the financial chart that you see below. This is a candlestick chart created with MindFusion Charting for JavaScript. We use data from the platform TraderMade. The data comes in a continuous stream as a WebSocket. The blog post explains how to get the data, how to parse it and how to create and customize the chart. The chart also offers the user to change the data interval and to zoom in/out the chart.

Continue reading →