DmtpActorCreateChannelAsync(String, Int32, Metadata, CancellationToken) 方法
            在指定路由点创建一个指定Id的通道
            
命名空间: TouchSocket.Dmtp程序集: TouchSocket.Dmtp (在 TouchSocket.Dmtp.dll 中) 版本:4.0.0-beta.143+5fcca7a4e70968794985dc3793adc50531308be6
public virtual Task<IDmtpChannel> CreateChannelAsync(
	string targetId,
	int id,
	Metadata metadata = null,
	CancellationToken cancellationToken = default
)
Public Overridable Function CreateChannelAsync ( 
	targetId As String,
	id As Integer,
	Optional metadata As Metadata = Nothing,
	Optional cancellationToken As CancellationToken = Nothing
) As Task(Of IDmtpChannel)
abstract CreateChannelAsync : 
        targetId : string * 
        id : int * 
        ?metadata : Metadata * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _metadata = defaultArg metadata null
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> Task<IDmtpChannel> 
override CreateChannelAsync : 
        targetId : string * 
        id : int * 
        ?metadata : Metadata * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _metadata = defaultArg metadata null
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> Task<IDmtpChannel> 
- targetId  String
 - 目标路由点的标识符
 - id  Int32
 - 要创建的通道的唯一标识符
 - metadata  Metadata  (Optional)
 - 有关通道的元数据,可选,默认为default(Metadata)
 - cancellationToken  CancellationToken  (Optional)
 - 可取消令箭
 
TaskIDmtpChannel返回一个异步任务,该任务完成后将包含新创建的IDmtpChannel接口实例
IDmtpActorCreateChannelAsync(String, Int32, Metadata, CancellationToken)