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TComponentCombo Properties, TComponentCombo Class
EControl Form Designer Pro
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TComponentCombo.OnCloseUp Property
TComponentCombo Properties | TComponentCombo Class
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Occurs when the drop-down list closes up due to some user action.

property OnCloseUp;
Description

Write an OnCloseUp event handler to implement special processing that needs to occur when the drop-down list closes up. For example, an OnCloseUp event handler can check whether the user changed the selected item while the list was dropped down and respond accordingly.

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