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Saving and Retrieving a diagram to/from the database (Read 1157 times)

dhaval YaBB Newbies Offline I Love MindFusion! Posts: 5 Joined: Nov 15^th, 2012	Saving and Retrieving a diagram to/from the database Dec 6^th, 2012 at 4:36am	Print Post
	I have a diagram where a user can add couple of composite nodes and have one or multiple link to/from each node. After adding the nodes, the user can rearrange the diagram by dragging nodes and links. II want o retain the state of this diagram in the database. And when the user loads the screen again, I want to draw to diagram as it was previously arranged, what are the properties I need to serialize and save? All nodes are of same size so I do not need to save the width and height. Other than these, what can I save to persist the arrangement of nodes and links.


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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: Saving and Retrieving a diagram to/from the database Reply #1 - Dec 6^th, 2012 at 6:38am	Print Post
	You could use the SaveToString and LoadFromString methods to store the whole diagram in a single text field. If you prefer creating records for each diagram item, check the code here: http://mindfusion.eu/Forum/YaBB.pl?num=1352535946/1#1 You must save Bounds for nodes and ControlPoints for link in order to preserve their positions. I hope that helps, Stoyan


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