FMX.Memo.TCustomMemo.OnChange
Delphi
property OnChange: TNotifyEvent read GetOnChange write SetOnChange;
C++
__property System::Classes::TNotifyEvent OnChange = {read=GetOnChange, write=SetOnChange};
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
| event | public | FMX.Memo.pas FMX.Memo.hpp |
FMX.Memo | TCustomMemo |
Description
Occurs when the focus leaves the memo or the user presses ENTER. The event occurs only when the text has changed.
OnChange is raised when the following situations occur:
- Text is cleared in the memo
- Text is set in the memo
- The memo loses focus
- The user presses the ENTER key
Write an OnChange event handler to check the modified text data.