(列名.Properties as TcxComboBoxProperties).items.add("你要增加的项目");
(cxGrid1DBTableView1ds2Field13.Properties as TcxComboBoxProperties).Items.add('下拉选项1'); (cxGrid1DBTableView1ds2Field13.Properties as TcxComboBoxProperties).Items.add('下拉选项2'); (cxGrid1DBTableView1ds2Field13.Properties as TcxComboBoxProperties).Items.add('下拉选项3'); (cxGrid1DBTableView1ds2Field13.Properties as TcxComboBoxProperties).Items.add('下拉选项4');
(cxGrid1DBTableView1ds2Field13.Properties as TcxComboBoxProperties).Items.add('下拉选项2');
(cxGrid1DBTableView1ds2Field13.Properties as TcxComboBoxProperties).Items.add('下拉选项3');
(cxGrid1DBTableView1ds2Field13.Properties as TcxComboBoxProperties).Items.add('下拉选项4');