delphi interface to do ruler of the problem, this is what I do when the software needs to be dynamically generated controls by size stacked, it did not find a suitable control their own one, although that is delphi7, but provides all the code, should suitable for all versions of delphi

syrjcnRuler
...........\readme.txt
...........\syrjcnRuler.cfg
...........\syrjcnRuler.dcu
...........\syrjcnRuler.dof
...........\syrjcnRuler.dpk
...........\syrjcnRuler.pas
...........\syrjcnRuler.res
...........\syrjcnRulerD7.cfg
...........\syrjcnRulerD7.dcu
...........\syrjcnRulerD7.dof
...........\syrjcnRulerD7.dpk
...........\syrjcnRulerD7.res

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