Vcl.DBGrids.TCustomDBGrid.Notification
Delphi
procedure Notification(AComponent: TComponent; Operation: TOperation); override;
C++
virtual void __fastcall Notification(System::Classes::TComponent* AComponent, System::Classes::TOperation Operation);
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
procedure function |
protected | Vcl.DbGrids.pas Vcl.DBGrids.hpp |
Vcl.DBGrids | TCustomDBGrid |
Description
Responds to notifications that components are about to be destroyed.
After calling the inherited method, Notification
Checks if the pop-up menu for any of its columns is going away, and if so, resets the PopupMenu property of the column object.
Checks if the data source is going away, and if so, sets the DataSource property to nil (Delphi) or NULL (C++).
Checks if any of the field components associated with its columns is going away, and if so, removes the column from the layout.