How to use mouse drag and move a NShape node along a Line by the mouse lock on a line?


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By Suyan Dong - 9 Years Ago
Hi:
     I really need your help. I tried to drag and then move a shape with its center along a NLineShape, I used the NodeBoundsChanging event,but it seem hard to lock the shape's center to move on the polygonshape. Colud you please show me how to make it.
    Thank you !