'Declaration Function OnItemCommand( _ ByVal source As Object, _ ByVal args As HandleCommandEventArgs _ ) As Boolean
bool OnItemCommand( object source, HandleCommandEventArgs args )
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2