PowerCOBOL controls provide the key elements of your PowerCOBOL application. They include all the common elements used in designing graphical interfaces as well as giving access to databases.
A control is a collection of:
Properties that define the appearance, behavior and supporting data of the control,
Methods that are procedures that can be invoked to manipulate the control,
Events that can be generated by the control and for which you can write code to respond to the event.
Depending on the function of the control it may or may not be visible to the application user.
Because a control is defined by its appearance, properties, methods and events, the topics describing the controls describe the function of the control, then list its properties, methods and events.
