Can table row heirarchy go deeper than one level? - Diagramming Components

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Can table row heirarchy go deeper than one level? (Read 2115 times)

brianh YaBB Newbies Offline Posts: 30 Joined: Jul 1^st, 2008	Can table row heirarchy go deeper than one level? Jul 1^st, 2008 at 4:11pm	Print Post
	I need to display data in each diagram node as a tree view, but the TableNode class only seems to allow one level of expansion. Is it possible to add more, or at least fake it somehow? I know I could use the ControlNode class to host a tree view but this has it's limitations, so I would like to use the table view if possible. Thanks.


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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: Can table row heirarchy go deeper than one lev Reply #1 - Jul 1^st, 2008 at 6:08pm	Print Post
	Only one level of expansion is possible at this time. I suppose you can fake a deeper hierarchy by adding more columns and displaying the data for an Nth-level tree item in the Nth cell of the respective row. Collapsing the rows could be implemented by seting their Height to 0. Another possibility is to create a custom node type that renders the tree data in its Draw implementation. I hope that helps, Stoyan


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brianh YaBB Newbies Offline Posts: 30 Joined: Jul 1^st, 2008	Re: Can table row heirarchy go deeper than one lev Reply #2 - Jul 2^nd, 2008 at 8:04am	Print Post
	Thanks Stoyan, I think I'll try and fake it for now (although I think this would be a useful featiure for you to add in future), but is there a way to access the expansion icons (+/-) that are used in the table, or do I just have to copy them and make my own icons? Thanks Brian


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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: Can table row heirarchy go deeper than one lev Reply #3 - Jul 2^nd, 2008 at 9:02am	Print Post
	Hi Brian, They aren't really icons, but you can draw them by calling the InternalUtils.DrawExpandButton method. You could do that from the DrawCell event handler if you enable TableNode.CellCustomDraw. I hope that helps, Stoyan


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