beginUpdate Method


Stops the viewer from being refreshed if changes are applied. This is useful to increase the control rendering efficiency.


JavaScript Syntax
LayoutManager.prototype.beginUpdate = function() 
TypeScript Syntax
beginUpdate(): void; 


This method will cause the viewer not to repaint if changes are applied. When you call the EndUpdate method, the viewer will repaint to show all the changes made. This is useful for better visual results and for rendering efficiency.


Target Platforms

Help Version 19.0.2017.10.27
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