Is this a bug?
can’t deselect the upper row of vertices to scale only the bottom ones
Thank you!
Hi Hannes - can you post the objects?
-Pascal
@pascal this is drag selection. It seems only to add objects, but you cannot deselect objects or points once selected. you know Ctrl+Shift Select
Maybe Rhino can be implemented this feature. Would help a lot.
Ah, yes - right, that does not work.
-Pascal
Press and hold Ctrl when windowing to remove selected objects from the selection.
Ctrl+Shift to add, Ctrl to remove.
I just tried it here to make sure I had the details right.
It works fine for me.
Are you pressing and holding Ctrl when you drag your deselection window over the selected items?
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Yes I have tried both, does not work. so it’s Ctrl-Shift drag select. and in this mode I am only able to add more but not to deselect.
Clearly something is different then…
In Options > Mouse, is Method set to Combo?
In Selecting, are all 4 items checked?
I checked the forth one now I am able to deselect but it will deselect whole surface groups. I just wanted to drag deselect points. It is still not possible. 
Thanks John
You may have to use the Selection Filter to make all of that work as you want.
Here’s a Mesh with Points turned on and selected (SelPts):
Here I have pressed Ctrl and dragged a selection window through the points to remove them:
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Made you a video to explain things
It is subobject selection that does not work that way, as far as I understand the question, is that right @hannesgrebin ?
-Pascal
@pascal this is true. It is the subobject selection. It would be awesome to add this feature to Rhino. For easy selection and deselection on the ongoing prototype if I want to alter the object.