DataAsyncCommandEvents 建構函式 (DataAsyncCommandStartEventHandler, DataAsyncCommandFailureEventHandler, DataAsyncCommandCancelEventHandler, DataAsyncCommandEndEventHandler)

DataAsyncCommandEvents 初始化類別的新執行個體的委派 (Delegate)。

命名空間：  Microsoft.VisualStudio.Data
組件：  Microsoft.VisualStudio.Data (在 Microsoft.VisualStudio.Data.dll 中)

語法

'宣告
Public Sub New ( _
    commandStart As DataAsyncCommandStartEventHandler, _
    commandFailure As DataAsyncCommandFailureEventHandler, _
    commandCancel As DataAsyncCommandCancelEventHandler, _
    commandEnd As DataAsyncCommandEndEventHandler _
)

public DataAsyncCommandEvents(
    DataAsyncCommandStartEventHandler commandStart,
    DataAsyncCommandFailureEventHandler commandFailure,
    DataAsyncCommandCancelEventHandler commandCancel,
    DataAsyncCommandEndEventHandler commandEnd
)

public:
DataAsyncCommandEvents(
    DataAsyncCommandStartEventHandler^ commandStart, 
    DataAsyncCommandFailureEventHandler^ commandFailure, 
    DataAsyncCommandCancelEventHandler^ commandCancel, 
    DataAsyncCommandEndEventHandler^ commandEnd
)

new : 
        commandStart:DataAsyncCommandStartEventHandler * 
        commandFailure:DataAsyncCommandFailureEventHandler * 
        commandCancel:DataAsyncCommandCancelEventHandler * 
        commandEnd:DataAsyncCommandEndEventHandler -> DataAsyncCommandEvents

public function DataAsyncCommandEvents(
    commandStart : DataAsyncCommandStartEventHandler, 
    commandFailure : DataAsyncCommandFailureEventHandler, 
    commandCancel : DataAsyncCommandCancelEventHandler, 
    commandEnd : DataAsyncCommandEndEventHandler
)

參數

• commandStart
  類型：Microsoft.VisualStudio.Data.DataAsyncCommandStartEventHandler

  呼叫命令時呼叫的委派開始。

• commandFailure
  類型：Microsoft.VisualStudio.Data.DataAsyncCommandFailureEventHandler

  呼叫完成時呼叫的委派有命令失敗。

• commandCancel
  類型：Microsoft.VisualStudio.Data.DataAsyncCommandCancelEventHandler

  呼叫命令時呼叫的委派中移除。

• commandEnd
  類型：Microsoft.VisualStudio.Data.DataAsyncCommandEndEventHandler

  呼叫命令時呼叫的委派結束。

.NET Framework 安全性

• 完全信任立即呼叫者。這個成員無法供部分信任的程式碼使用。如需詳細資訊，請參閱從部分受信任程式碼使用程式庫。

請參閱

參考

DataAsyncCommandEvents 類別

DataAsyncCommandEvents 多載

Microsoft.VisualStudio.Data 命名空間

DataAsyncCommandStartEventHandler

DataAsyncCommandFailureEventHandler

DataAsyncCommandCancelEventHandler

DataAsyncCommandEndEventHandler