iOSLayoutConstraint.Offset
From Xojo Documentation
Property (As Double )
aiOSLayoutConstraint.Offset = newDoubleValue
or
DoubleValue = aiOSLayoutConstraint.Offset
Supported on Mobile (iOS).
or
DoubleValue = aiOSLayoutConstraint.Offset
Supported on Mobile (iOS).
The offset that can be applied to the rule.
Sample Code
Change the offset (in this case the width) or an existing named constraint: