Delphi's TListBox control displays a collection of items in a scrollable list.
By design, a listbox displays its items in one column.
If you want to display several items in one row, thus have multiple columns in a list box, you can use the next approach:
Set the TabWidth property - it specifies the width of the columns in pixels.
When you add items to the list box, separate the columns with '^I', that is capital "i", like in:
begin
ListBox1.Items.Add('First'^I'Second'^I'Third') ;
ListBox1.Items.Add('C1R1'^I'C2R1'^I'C3R1') ;
ListBox1.Items.Add('C1R2'^I'C2R2'^I'C3R2') ;
ListBox1.Items.Add('C1R3'^I'C2R3'^I'C3R3') ;
ListBox1.Items.Add('C1R4'^I'C2R4'^I'C3R4') ;
ListBox1.Items.Add('C1R5'^I'C2R5'^I'C3R5') ;
ListBox1.Items.Add('C1R6'^I'C2R6'^I'C3R6') ;
ListBox1.Items.Add('C1R7'^I'C2R7'^I'C3R7') ;
ListBox1.Items.Add('C1R8'^I'C2R8'^I'C3R8') ;
ListBox1.Items.Add('C1R9'^I'C2R9'^I'C3R9') ;
end;
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