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  3. VCL Components
  4. TAdvStringGrid
  5. Example 88

TAdvStringGrid

Example 88 : Persist column state in an INI file and allow column selection via a column picker

vcl grid


Drop a TAdvStringGrid and TAdvGridColumnPicker on the form and add following code: 

procedure TForm4.FormCreate(Sender: TObject);
var
  s: string;
  ini: TINIFile;
begin
  AdvStringGrid1.LinearFill(true);
  AdvStringGrid1.SetColumnOrder;
  AdvStringGrid1.Options := AdvStringGrid1.Options + [goColMoving, goColSizing];
  AdvGridColumnPicker1.Grid := AdvStringGrid1;

  ini := TINIFile.Create('.\gridsettings.ini');
  s := ini.ReadString('GRID','SETTINGS', '');
  ini.Free;

  if s <> '' then
  begin
    AdvStringGrid1.StringToColumnStates(s);
    AdvGridColumnPicker1.Init;
  end;
end;

In the form constructor, we are reloading the persisted settings for column with, position, visibility from the INI file and initializing grid and column picker with these settings. 

procedure TForm4.FormClose(Sender: TObject; var Action: TCloseAction);
var
  s: string;
  ini: TINIFile;
begin
  s := AdvStringGrid1.ColumnStatesToString;

  ini := TINIFile.Create('.\gridsettings.ini');
  ini.WriteString('GRID','SETTINGS', s);
  ini.Free;
end;