Tips and Frequently Asked Questions
Fast loading and saving of many items
To add many items to the TColumnListBox, the use of BeginUpdate / EndUpdate will significantly accelerate this.
Example for fast save & load of 5000 items:
procedure TForm4.Button1Click(Sender: TObject); var i,j: integer; li: TListBoxItem; begin with columnlistbox1 do begin Columns.Clear; Columns.Add; Columns.Add; Columns.Add; Columns[0].Width := 80; Columns[1].Width := 80; Columns[2].Width := 80; BeginUpdate; for i := 1 to 5000 do begin li := ListBoxItems.Add; for j := 1 to 3 do begin li.Strings.Add('Col '+inttostr(j)+': Row '+ inttostr(i)); end; end; ListBoxItems.SaveToFile('c:.txt'); EndUpdate; end; end; procedure TForm4.Button2Click(Sender: TObject); begin with columnlistbox1 do begin Columns.Clear; Columns.Add; Columns.Add; Columns.Add; Columns[0].Width := 80; Columns[1].Width := 80; Columns[2].Width := 80; BeginUpdate; ListBoxItems.LoadFromFile('c:.txt'); EndUpdate; end; end;
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Note that the TMS VCL UI Pack replaces the TMS Component Pack. Both products can't be installed simultaneously. Therefore TMS Component Pack must first be uninstalled before installing the TMS VCL UI Pack