WebRectangle.HasBackgroundColor
From Xojo Documentation
Property (As Boolean )
aWebRectangle.HasBackgroundColor = newBooleanValue
or
BooleanValue = aWebRectangle.HasBackgroundColor
New in 2020r1
Supported for all project types and targets.
or
BooleanValue = aWebRectangle.HasBackgroundColor
New in 2020r1
Supported for all project types and targets.
If True, the color of the rectangle's background is defined by the BackgroundColor property. If False, the color is white.