HTMLViewer.UseSandbox
From Xojo Documentation
Property (As Boolean )
aHTMLViewer.UseSandbox = newBooleanValue
or
BooleanValue = aHTMLViewer.UseSandbox
New in 2020r1
Supported for all project types and targets.
or
BooleanValue = aHTMLViewer.UseSandbox
New in 2020r1
Supported for all project types and targets.
If True, the JavaScript (if any) embedded in the page being viewed in the HTMLViewer will be unable to access the HTMLViewer's parent webpage.