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cxgrid连接数据库,其中名称列设置为cxLookupComboBoxProperties ,因为产品太多,下拉慢,想输入关键字后在ColumnPropertiesValidate中根据输入关键字动态查询,把ImmediateDropDownWhenActivated 和ImmediateDropDownWhenKeyPressed都设置成false后,如何在输入后自动弹出下拉框呢?
Propertis属性用PopupEdit,然后popupCotrol用自定义的,全部自己控制