RAD Studio VCL Reference
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TCustomOutline.BeginUpdate Method
TCustomOutline Class | TCustomOutline Members | Outline Namespace | Description | See Also
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Prevents the updating of the outline until the EndUpdate method is called.

Pascal
procedure BeginUpdate;
C++
__fastcall BeginUpdate();
Description

Call BeginUpdate before adding, removing, or moving multiple outline items. BeginUpdate speeds processing time by deferring repaints and the adjustment of index values until EndUpdate is called.

Note: Make sure that EndUpdate is called after all changes have been made to the nodes in the Items array.
 

See Also
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