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[solved] which checkbox was clicked in TCheckListBox ?
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Topic: [solved] which checkbox was clicked in TCheckListBox ? (Read 2683 times)
dbannon
Hero Member
Posts: 2786
[solved] which checkbox was clicked in TCheckListBox ?
«
on:
January 29, 2018, 01:39:32 pm »
I'm using a TCheckListBox and want to know which one the user has just clicked. On Win/Linux clicking a checkbox also selects that item so you can look at ItemIndex when CheckListBox1ClickCheck fires. But on the Mac the selected item does not change when a checkbox is clicked.
I'm not sure if I should rely on that connection anyway, its certainly not documented anywhere that clicking a checkbox should select that item.
I can keep a separate list of which ones are ticked and then scan over the listbox and see which one has changed but that does seem messy !
Does anyone else know of any way to get an index to a clicked checkbox on TCheckListBox ?
Davo
«
Last Edit: January 30, 2018, 03:56:03 am by dbannon
»
Logged
Lazarus 3, Linux (and reluctantly Win10/11, OSX Monterey)
My Project -
https://github.com/tomboy-notes/tomboy-ng
and my github -
https://github.com/davidbannon
howardpc
Hero Member
Posts: 4144
Re: which checkbox was clicked in TCheckListBox ?
«
Reply #1 on:
January 29, 2018, 02:15:55 pm »
Code: Pascal
[Select]
[+]
[-]
procedure
TForm1
.
CheckListBox1ItemClick
(
Sender
:
TObject
;
Index
:
integer
)
;
begin
WriteLn
(
'Index of clicked checkbox is '
,
Index
,
', Checked state is '
,
(
Sender as TCheckListBox
)
.
Checked
[
Index
]
)
;
end
;
Logged
Blaazen
Hero Member
Posts: 3237
POKE 54296,15
Re: which checkbox was clicked in TCheckListBox ?
«
Reply #2 on:
January 29, 2018, 02:18:36 pm »
Yes, OnItemClick is the way + you can fill bugreport (if it is not already reported).
Logged
Lazarus 2.3.0 (rev main-2_3-2863...) FPC 3.3.1 x86_64-linux-qt Chakra, Qt 4.8.7/5.13.2, Plasma 5.17.3
Lazarus 1.8.2 r57369 FPC 3.0.4 i386-win32-win32/win64 Wine 3.21
Try Eye-Candy Controls:
https://sourceforge.net/projects/eccontrols/files/
dbannon
Hero Member
Posts: 2786
Re: which checkbox was clicked in TCheckListBox ?
«
Reply #3 on:
January 30, 2018, 03:55:33 am »
Yep, thanks, thats definitly the solution. I just needed to search a bit harder !
I'll put something on the TCheckListBox wiki page, sadly its almost blank.
Davo
Logged
Lazarus 3, Linux (and reluctantly Win10/11, OSX Monterey)
My Project -
https://github.com/tomboy-notes/tomboy-ng
and my github -
https://github.com/davidbannon
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[solved] which checkbox was clicked in TCheckListBox ?
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