FMX.Controls.TControl.BeginUpdate
Delphi
procedure BeginUpdate; virtual;
C++
virtual void __fastcall BeginUpdate();
Properties
Type | Visibility | Source | Unit | Parent |
---|---|---|---|---|
procedure function |
public | FMX.Controls.pas FMX.Controls.hpp |
FMX.Controls | TControl |
Description
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.