Message 目录参考

文件
	AtMessage.cs
	ContactMessage.cs
	DiceMessage.cs
	FileMessage.cs
	ForwardMessage.cs
	ImageMessage.cs
	JsonMessage.cs
	MessageBase.cs
	MFaceMessage.cs
	MusicMessage.cs
	NodeMessage.cs
	RecordMessage.cs
	ReplyMessage.cs
	RpsMessage.cs
	TextMessage.cs
	VideoMessage.cs