Vcl.ComCtrls.TListView.OnChanging
Delphi
property OnChanging: TLVChangingEvent read FOnChanging write FOnChanging;
C++
__property OnChanging;
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
| event | published | Vcl.ComCtrls.pas Vcl.ComCtrls.hpp |
Vcl.ComCtrls | TListView |
Description
Occurs when an item in the list is about to change. {{#multireplace:Vcl.ComCtrls.TListView.OnChanging|H21=!|H25=%|H28=(|H29=)|H2A=*|H2B=+|H2F=/|H3C=<|H3D==|H3E=>|H5B=[|H5D=]|H5E=^|H7C=|}} inherits from {{#multireplace:Vcl.ComCtrls.TCustomListView.OnChanging|H21=!|H25=%|H28=(|H29=)|H2A=*|H2B=+|H2F=/|H3C=<|H3D==|H3E=>|H5B=[|H5D=]|H5E=^|H7C=|}}. All content below this line refers to {{#multireplace:Vcl.ComCtrls.TCustomListView.OnChanging|H21=!|H25=%|H28=(|H29=)|H2A=*|H2B=+|H2F=/|H3C=<|H3D==|H3E=>|H5B=[|H5D=]|H5E=^|H7C=|}}.
Occurs when an item in the list is about to change.
Write an OnChanging event handler to conditionally block changes to an item in the list.
OnChanging is an event handler of type TLVChangingEvent.