[Lazarus] FEATURE: UpDown invisible or enabled according to the Associate

[silvioprog]

Hi,

It would be interesting if, when control linked by Associate receive
an update (eg. Enabled or Visible), the UpDown received the update of
Associate control too.

Is strange if an "Edit" is associated on UpDown, and when changed to
invisible, the UpDown continue visible. (same to Enabled).

This is a feature that, if implemented, the UpDown of Lazarus will be
fine better than that UpDown of Delphi. ;) I tested the UpDown
component of Delphi (7), and saw that only Enabled is updated when
Associate is changed to Disabled.

Oh guys, sorry for my english. :D

Thx.

ps. If you apply this patchs:
http://bugs.freepascal.org/view.php?id=20300 I'll do a patch to
implement this feature in UpDown.

-- 
Silvio Clécio
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