Calling ShowModal as an Anonymous Method on All Platforms

procedure THeaderFooterForm.btnPickClick(Sender: TObject);var  dlg: TForm1;begin  dlg := TForm1.Create(nil);  // select current value, if available in the list  dlg.ListBox1.ItemIndex := dlg.ListBox1.Items.IndexOf(edit1.Text);   dlg.ShowModal(procedure(ModalResult: TModalResult)    begin      if ModalResult = mrOK then      // if OK was pressed and an item is selected, pick it      if dlg.ListBox1.ItemIndex >= 0 then        edit1.Text := dlg.ListBox1.Items [dlg.ListBox1.ItemIndex];      dlg.DisposeOf;    end); end;