TcxLookAndFeel.BeginUpdate Method
Postpones all control redraw operations that reflect content and appearance setting changes until an EndUpdate procedure call.
#Declaration
procedure BeginUpdate;
#Remarks
Every time you modify a look & feel setting at the level of an individual control, the control redraws its content to reflect the change. Enclose multiple look & feel setting changes between BeginUpdate
and EndUpdate procedure calls to avoid UI flickering due to excessive redraw operations and improve performance.
#BeginUpdate/EndUpdate and Batch Changes
A BeginUpdate
procedure call disables notifications and postpones all changes until an EndUpdate call. A subsequent EndUpdate call does the following:
- Re-enables change notifications and corresponding redraw operations
- Applies all changes made after a
BeginUpdate
call - Sends corresponding notifications in a batch
- Redraws the affected control
Note
Ensure that every Begin
procedure call is followed by an End