TopicControlViewModel - конструктор

Public Sub New ( 
	forumViewModel As ForumViewModel,
	topicModel As TopicModel,
	Optional messageID As Guid? = Nothing,
	Optional openMessageTime As DateTime? = Nothing,
	Optional foregroundColor As Color? = Nothing,
	Optional backgroundColor As Color? = Nothing,
	Optional blockColor As Color? = Nothing,
	Optional fontSize As Double? = Nothing,
	Optional isVisibleEditAction As Func(Of MessageModel, ParticipantModel, Boolean) = Nothing
)

public:
TopicControlViewModel(
	ForumViewModel^ forumViewModel, 
	TopicModel^ topicModel, 
	Nullable<Guid> messageID = nullptr, 
	Nullable<DateTime> openMessageTime = nullptr, 
	Nullable<Color^> foregroundColor = nullptr, 
	Nullable<Color^> backgroundColor = nullptr, 
	Nullable<Color^> blockColor = nullptr, 
	Nullable<double> fontSize = nullptr, 
	Func<MessageModel^, ParticipantModel^, bool>^ isVisibleEditAction = nullptr
)

new : 
        forumViewModel : ForumViewModel * 
        topicModel : TopicModel * 
        ?messageID : Nullable<Guid> * 
        ?openMessageTime : Nullable<DateTime> * 
        ?foregroundColor : Nullable<Color> * 
        ?backgroundColor : Nullable<Color> * 
        ?blockColor : Nullable<Color> * 
        ?fontSize : Nullable<float> * 
        ?isVisibleEditAction : Func<MessageModel, ParticipantModel, bool> 
(* Defaults:
        let _messageID = defaultArg messageID null
        let _openMessageTime = defaultArg openMessageTime null
        let _foregroundColor = defaultArg foregroundColor null
        let _backgroundColor = defaultArg backgroundColor null
        let _blockColor = defaultArg blockColor null
        let _fontSize = defaultArg fontSize null
        let _isVisibleEditAction = defaultArg isVisibleEditAction null
*)
-> TopicControlViewModel