DataAsyncCommandEvents 建構函式 (DataAsyncCommandStartEventHandler, DataAsyncCommandFailureEventHandler, DataAsyncCommandFetchEventHandler, DataAsyncCommandFetchEventHandler, 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, _
    commandNextResult As DataAsyncCommandFetchEventHandler, _
    commandRead As DataAsyncCommandFetchEventHandler, _
    commandCancel As DataAsyncCommandCancelEventHandler, _
    commandEnd As DataAsyncCommandEndEventHandler _
)

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

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

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

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

參數

• commandStart
  型別：Microsoft.VisualStudio.Data.DataAsyncCommandStartEventHandler
  呼叫命令時呼叫的委派開始。

• commandFailure
  型別：Microsoft.VisualStudio.Data.DataAsyncCommandFailureEventHandler
  呼叫完成時呼叫的委派有命令失敗。

• commandNextResult
  型別：Microsoft.VisualStudio.Data.DataAsyncCommandFetchEventHandler
  呼叫命令時呼叫的委派有一或多個項目可用的集合。

• commandRead
  型別：Microsoft.VisualStudio.Data.DataAsyncCommandFetchEventHandler
  呼叫命令時呼叫的委派有可用的一個或多個資料區塊讀取設定的結果。

• commandCancel
  型別：Microsoft.VisualStudio.Data.DataAsyncCommandCancelEventHandler
  呼叫命令時呼叫的委派中移除。

• commandEnd
  型別：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

DataAsyncCommandFetchEventHandler