ContainerControl.LockBottom
From Xojo Documentation
Property (As Boolean )
aContainerControl.LockBottom = newBooleanValue
or
BooleanValue = aContainerControl.LockBottom
Supported for all project types and targets.
or
BooleanValue = aContainerControl.LockBottom
Supported for all project types and targets.
Determines whether the bottom edge of the ContainerControl should stay at a set distance from the bottom edge of the parent control, if there is one, or the owning Window.