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I saw on 3dobj a sample to use polygon
AAdd( ::aVertex, { x, y, z } )
obj:AddVertex( 100, 80, 50 )
obj:AddVertex( 200, 85, 75 )
obj:AddVertex( 300, 60, 40 )
PolyPolygon( hDC, ::aVertex )

But I not understand How I can create a draw with this function
can you help me and drar a sample as a button