Use csOwnerDrawFixed or csOwnerDrawVariable to create owner-draw combo boxes that display items graphically or in varying heights.Use csDropDownList to make the edit box read-only (forcing users to choose from the list). Use csDropDown to create an edit box with a drop-down list.1 Set the Style property to select the type of combo box you need: Three types of combo boxes are: standard, drop-down (the default), and drop-down list. If AutoComplete is enabled, the application looks for and displays the closest match in the list as the user types the data. When users enter data into the control-by typing or selecting from the list-the value of the Text property changes. A combo box (TComboBox) combines an edit box with a scrollable list.
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