A Message sent when, in edit mode, the user drags over a control. If there is a message handler by the same name in the message path, then it will be executed.
Message[]
Syntax:
objectSelectionStarted
Message handler[]
Examples:
on objectSelectionStarted put "Started selecting" && the time end objectSelectionStarted
Use the objectSelectionStarted Message handler to do something when the user starts selection controls by dragging over them.
The objectSelectionStarted message is sent to the current card when, in edit mode, the user drags over a control.
The objectSelectionStarted message is only available in the IDE.