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Get the attachment point (Read 3216 times)

Dexter Junior Member Offline I love YaBB 1G - SP1! Posts: 62 Joined: Jun 25^th, 2009	Get the attachment point Jan 7^th, 2010 at 12:41pm	Print Post
	Hi there! I have a node attached to a link. The original attachment is done similar to how link text is displayed when using TextStyle.Center. After some changes I need to know the point on the link the node position is reported. Is this possible? Regards, Dexter


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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: Get the attachment point Reply #1 - Jan 7^th, 2010 at 2:04pm	Print Post
	Hi, Do you need to find which control point of the link is closest to the node? Stoyan


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Dexter Junior Member Offline I love YaBB 1G - SP1! Posts: 62 Joined: Jun 25^th, 2009	Re: Get the attachment point Reply #2 - Jan 7^th, 2010 at 2:12pm	Print Post
	Hi! Not necessarily! In my application when I draw a link for the first time I attach the node to the middle of the link. The middle of the link depends of the number of control point the link has. For example: is the link has 5 ctrl. points then I attach the node to the link control point. If the link has 4 ctrl. points then I attach the node to the segment between ctrl. point with index ControlPoints.Count /2 -1 and ctrl. point with index ControlPoints.Count /2. If a routing is applied (the link is modified) I need to find out to what the node is attached? (point or segment). If the original attachment is to a point is easy, but if it is a segment I have no idea. Best regards, Dexter


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Dexter Junior Member Offline I love YaBB 1G - SP1! Posts: 62 Joined: Jun 25^th, 2009	Re: Get the attachment point Reply #3 - Jan 7^th, 2010 at 2:32pm	Print Post
	I have another question. During this strange process on the complete modify of the link can I determine if a control point will disappear from the control points collection? (3 points will form a line and the 2 segments will become one). Regards, Dexter


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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: Get the attachment point Reply #4 - Jan 7^th, 2010 at 3:22pm	Print Post
	You might Detach() and Attach() the node again to the new center of the link, if you want the node to always stick to it. Otherwise we can add some public method to return the original attachment type if that's what you need. Stoyan


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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: Get the attachment point Reply #5 - Jan 7^th, 2010 at 3:27pm	Print Post
	If you mean merging the segments when AllowSplit is enabled, it's not easy to determine from outside when it will happen. We could add some events raised when users insert or merge segments. Stoyan


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