LogRecord 類別

定義

public ref class LogRecord sealed

public sealed class LogRecord

type LogRecord = class

Public NotInheritable Class LogRecord

繼承

Object

LogRecord

範例

下列程式代碼範例示範這個類別的使用。

public:
    virtual bool AbortRecord(LogRecord^ log) override
    {

        // Check the validity of the record.
        if (log == nullptr)
        {
            return true;
        }
        array<Object^>^ record = dynamic_cast<array<Object^>^>(log->Record);
        if (record == nullptr)
        {
            return true;
        }
        if (record->Length != 2)
        {
            return true;
        }

        // Extract old account data from the record.
        String^ filename = (String^) record[0];
        int balance = (int) record[1];

        // Restore the old state of the account.
        WriteAccountBalance(filename, balance);

        return false;
    }

public override bool AbortRecord (LogRecord log)
{

    // Check the validity of the record.
    if (log == null) return(true);
    Object[] record = log.Record as Object[];
    if (record == null) return(true);
    if (record.Length != 2) return(true);

    // Extract old account data from the record.
    string filename = (string) record[0];
    int balance = (int) record[1];

    // Restore the old state of the account.
    AccountManager.WriteAccountBalance(filename, balance);

    return(false);
}

Public Overrides Function AbortRecord(ByVal log As LogRecord) As Boolean 
    
    ' Check the validity of the record.
    If log Is Nothing Then
        Return True
    End If
    Dim record As [Object]() = log.Record
    
    If record Is Nothing Then
        Return True
    End If
    If record.Length <> 2 Then
        Return True
    End If 
    ' Extract old account data from the record.
    Dim filename As String = CStr(record(0))
    Dim balance As Integer = Fix(record(1))
    
    ' Restore the old state of the account.
    AccountManager.WriteAccountBalance(filename, balance)
    
    Return False

End Function 'AbortRecord

備註

非結構化記錄檔記錄會以 COM+ CrmLogRecordRead 結構的形式傳遞。 除了單一 BLOB) (用戶數據之外，還包含其他欄位，可用於偵錯或錯誤尋找。 欄位元字段 Flags ，提供有關此記錄是否在某個時間點忘記，以及寫入時間的進一步資訊。 欄位 Sequence 會提供記錄檔記錄的序號。 在大部分情況下，序號是循序的，但不一定是連續的，因為不會傳遞至補償 Resource Manager (CRM) 補償器的內部記錄檔記錄。

屬性

方法

適用於