in Delphi TIPS :: 
At design-time properties of enumerated types (including Boolean) appear as editable strings. You can also cycle through the possible values by double-clicking the value column, and there is a drop-down list that shows all possible values.
At design-time properties of enumerated types (including Boolean) appear as editable strings. You can also cycle through the possible values by double-clicking the value column, and there is a drop-down list that shows all possible values.
If you need to allow a user of your application to change the display of the ListView at run-time, you need to provide some sort of "selectable" user interface. Controls like ComboBox, RadioGroup or ListBox can be used - they all display a collection of selectable items.
Read the full article to learn how to Display Enumerated Properties in a Selectable List - Run-Time Enum Selection in Delphi.
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extremely cool tips, Zarco…but how to pass enumerated types as a function’s parameter so, single function can handle all ?
never mind, article “Get Enum Information using RTTI” answered my question…many thanks
@kribo