FMX.Controls.TControl.BeginUpdate

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Object Pascal

procedure BeginUpdate; virtual;

C++

virtual void __fastcall BeginUpdate(void);

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.

See Also