Adding TCheckBox to TCheckGroup
lazarus / 10-Designer

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sfeinst · 2010-10-16 00:34

I know I'm missing something obvious, but I need help.  I have a
TCheckGroup with 3 checkboxes in it.  I want to add another TCheckBox,
but I want it listed first.  When I add it, it always gets added to
the end.  I've tried dragging it on the form as well as in the Object
Inspector.  I've tried playing with the tab order.  Nothing works. 
The only thing i have not touched is the Anchors.  The other
checkboxes do not have anything except akTop, akBottom and akLeft (the
defaults) and I left the new one that way.  I'm guessing that if I
play with the Anchors dialog, I can do something, but since the
existing checkboxes work ok, I am reluctant to play around with the
anchors dialog for these items.

The only way I got it to work was to drag the existing checkboxes out
of the TCheckGroup into another group, add the new TCheckBox and then
drag the existing ones back inthe order I wanted.

Is that the only way to rearrange?

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Leledumbo · 2010-10-16 02:13

AFAIK TCheckGroup uses TStrings to describe its items, so Add method
would normally add new checkbox in the last. Maybe you can use Insert
method that accept index parameter.

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sfeinst · 2010-10-16 13:47

Thanks.  But, I was not doing this programmatically.  Just dragging
the item to the group box.  I just thought there would be a way to
arrange the items visually.  I did look at the items property, but it
was empty.

I did work around it by removing the existing, adding the new one and
putting the old ones back in.  Just seemed like more steps than should
be needed.

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Leledumbo · 2010-10-18 02:52

QuoteBut, I was not doing this programmatically.  Just dragging the
item to the group box.Are you using TGroupBox filled TCheckBox or a
TCheckGroup? If the latter, you should use Items property. Don't drag
any TCheckBox there.

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sfeinst · 2010-10-18 15:02

Quote from: Leledumbo on October 18, 2010, 04:52:19 amAre you using
TGroupBox filled TCheckBox or a TCheckGroup? If the latter, you should
use Items property. Don't drag any TCheckBox there.

I'm using TCheckGroup.  So that's obviously my problem.   I'm using it
incorrectly.  Thanks.