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How to restrict the diagram objects dragging: Might need improvements

Hi,

I have the requirement to restrict the movement of nodes inside the Diagram page settings. The below sample

https://www.syncfusion.com/kb/11521/how-to-restrict-the-diagram-objects-dragging-in-the-positive-side-in-the

"works", but has the problem, that it does not take zooming into account. I set the limits as

Diagram.ScrollSettings.EditableArea = new Rect(0, 0, bitmap.Width, bitmap.Height) where the bitmap holds a background image.

This means, as long as there is no zooming factor for the diagram the limit works as expected, but as soon as I zoom in, it does not recognize that the diagram's limits are different then.

Regards

Thomas