AlignTop and AlignBottom do not appear to behave as they should.
When you have several controls contained in another control, you would
expect that each AlignTop or AlignBottom would stack the control in the
first free position: with AlignBottom on top of the stack of the other
bottom aligned components, with AlignTop at the bottom of the stack of
the other top aligned components.
On the contrary, it happens that "sometimes", in an unpredictable but
reproducible way, the control which should go in one place goes to a
different one, either becoming topmost or bottommost, or being inserted
between other components.
This occurs both at design time, making it sometimes very difficult to
lay out the components as desired, and at runtime, disrupting the
desired order of the components.
The only workaround I've found is to set Align to alNone, and to
painfully calculate the Top property of each component from the Top and
Height properties of the others.
This, besides not being Delphi compatible, is quite annoying.
Should I open an issue in the bugtracker, with the usual small example
to demonstrate the issue?
Giuliano
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