How to prevent editing of control points of a link - Diagramming Components

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How to prevent editing of control points of a link (Read 2203 times)

Dirk Woelfel YaBB Newbies Offline Posts: 17 Joined: Jun 26^th, 2006	How to prevent editing of control points of a link Aug 26^th, 2018 at 6:38pm	Print Post
	Hello, I use control points of a link to obtain a special representation. I create these control points by source code and they should not be able to be changed interactively by the user. How can I ensure that the user can mark the link (e.g. to delete it), but the control points are not displayed or cannot be moved by the user? Regardless of the selected handle style, the control points are always visible and movable. Thank you very much, Dirk


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Lyubo God Member Offline MindFusion team Posts: 511 Joined: Jun 17^th, 2010	Re: How to prevent editing of control points of a link Reply #1 - Aug 27^th, 2018 at 1:14pm	Print Post
	Hi, You can use LinkStartModifying event and cancel user interactions, which attempt to move the link. For example: Code private void _diagram_LinkStartModifying(object sender, LinkValidationEventArgs e) { e.Cancel = true; e.CancelDrag(); } Users will still be able to select and delete links even with this handler. To hide handles set the HandlesStyle to Invisible. Regards, Lyubo


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Dirk Woelfel YaBB Newbies Offline Posts: 17 Joined: Jun 26^th, 2006	Re: How to prevent editing of control points of a link Reply #2 - Sep 10^th, 2018 at 3:56pm	Print Post
	Thanks a lot! It works. Dirk


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