Property Value
A System.Windows.Forms.ComboBoxStyle value.The default is System.Windows.Forms.ComboBoxStyle.DropDown.
If you set the DropDownStyle property to DropDownList, you can select only valid values from the list. If you set the DropDownStyle property to DropDown, you can type any value in the editable area of the GcComboBox cell. In this case, the Append value of AutoCompleteMode works the same as the System.Windows.Forms.AutoCompleteMode.SuggestAppend value of AutoCompleteMode.