Adds a child unit to this compound event.
[Visual Basic] Sub Add( _ ByVal childAction As IActionUnit _ ) [C#] void Add( IActionUnit childAction ); [C++] void Add( IActionUnit* childAction ) = 0; [JScript] function Add( childAction : IActionUnit );
Child units will be executed in the order added and undone in the reverse order. If this compund action is in a state so that it cannot accept children, an exception is thrown.
ICompoundActionUnit Interface | ICompoundActionUnit Members | System.ComponentModel.Design Namespace