Mobile Control Hierarchy
From Xojo Documentation
The built-in controls have an inheritance hierarchy. The base class for all iOS user interface controls is called MobileUIControl. It along with its parent class MobileControl contain several common events, properties and methods.
Below is a list of some of the common events, properties and methods that are available for UI controls.
Opening - Called after the control is created. This is where you typically put initialization code.
TintColor - This lets you influence the color of some iOS controls.