Switch to determine if event update is allowed.
When "StartUpdate" is invoked, this will be set to true,
thus stop all update events
When the result of "StartUpdate" is disposded, the value reset to false
Namespace: Cartella.InterfacesAssembly: CartellaData (in CartellaData.dll) Version: 4.1.0.171 (4.1.0.171)