FMX.ListView.TAppearanceListView.BeginUpdate
Delphi
procedure BeginUpdate; override;
C++
virtual void __fastcall BeginUpdate();
Properties
Type | Visibility | Source | Unit | Parent |
---|---|---|---|---|
procedure function |
public | FMX.ListView.pas FMX.ListView.hpp |
FMX.ListView | TAppearanceListView |
Description
Marks the start of an update session of the control and its children.
FMX.ListView.TAppearanceListView.BeginUpdate inherits from FMX.Controls.TControl.BeginUpdate. All content below this line refers to FMX.Controls.TControl.BeginUpdate.
Marks the start of an update session of the control and its children.
It increases the value of the FUpdating semaphore. A call to BeginUpdate must be complemented by calls to EndUpdate after the update is finished.
FUpdating is an internal semaphore used to mark the process of control updating. Painting of a control is disabled while FUpdating
is higher than 0.