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Event triggered when the list is about to be modified.
Source position: classesh.inc line 776
public property TStringList.OnChanging : TNotifyEvent |
OnChanging can be assigned to respond to changes that will occurred in the list. The handler is called whenever strings will be added, moved, modified or deleted from the list.
The Onchanging event is triggered before the modification will take place. When the modification has happened, an TstringList.OnChange event occurs.
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Event triggered after the list was modified. |