Do I have the chance to edit these areas?

Do I have the chance to edit these areas?

I tried to do a selectionAdornmentTemplate but I was not very successful. How can I do it?

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What do you want those X marks to do?

I want to put the lock icon when I lock the shape. Like that
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Sure, just define your node’s selectionAdornmentTemplate to be a “Spot” Panel that has those four Pictures at the corners.

$(go.Adornment, "Spot",
  $(go.Panel, "Auto",
    $(go.Shape, . . .),
    $(go.Placeholder, . . .)
  ),
  $(go.Picture, . . . { alignment: go.Spot.TopLeft }),
  $(go.Picture, . . . { alignment: go.Spot.TopRight }),
  $(go.Picture, . . . { alignment: go.Spot.BottomRight }),
  $(go.Picture, . . . { alignment: go.Spot.BottomLeft }),

My problem is Lock Icons stays belove the resizing points. (I used random Icon while developing this feature, I’ll put lock icon into intead of them)

How do I bring my lock icons over resizing points?

Could you please describe the problem to someone unfamiliar with your app? What do you want instead?

My problem is Lock Icons stays belove the resizing points. (I used random Icon while developing this feature, I’ll put lock icon into intead of them)

How do I bring my lock icons over resizing points?

Are you sure that you would want to interfere with the resize handles and the operation of the ResizingTool? That seems very unusual to me – if the user wants to resize a node, they would not care about those Pictures.