本文整理匯總了VB.NET中System.IO.Log.FileRecordSequence.Append方法的典型用法代碼示例。如果您正苦於以下問題：VB.NET FileRecordSequence.Append方法的具體用法？VB.NET FileRecordSequence.Append怎麽用？VB.NET FileRecordSequence.Append使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類System.IO.Log.FileRecordSequence的用法示例。
在下文中一共展示了FileRecordSequence.Append方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的VB.NET代碼示例。
示例1: ReadRecordsSample
' 導入命名空間
Imports System.IO
Imports System.IO.Log
Imports System.Collections.Generic
Imports System.Text
Namespace MyFileRecordSequence
Friend Class ReadRecordsSample
Private Shared Function AppendRecord(ByVal sequence As IRecordSequence, ByVal message As String, ByVal user As SequenceNumber, ByVal previous As SequenceNumber) As SequenceNumber
Dim data As New MemoryStream()
Dim writer As New BinaryWriter(data)
writer.Write(message)
Dim segments() As ArraySegment(Of Byte)
segments = New ArraySegment(Of Byte)(0){}
segments(0) = New ArraySegment(Of Byte)(data.GetBuffer(), 0, CInt(Fix(data.Length)))
Return sequence.Append(segments, user, previous,RecordAppendOptions.None)
End Function
Public Shared Sub Main(ByVal args() As String)
Dim sequence As IRecordSequence
sequence = New FileRecordSequence(args(0))
Dim a, b, c, d As SequenceNumber
a = AppendRecord(sequence, "This is record A", SequenceNumber.Invalid, SequenceNumber.Invalid)
Console.WriteLine("Record A has sequence number System.IO.Log", a)
b = AppendRecord(sequence, "This is record B", a, a)
Console.WriteLine("Record B has sequence number System.IO.Log", b)
c = AppendRecord(sequence, "This is record C", a, a)
Console.WriteLine("Record C has sequence number System.IO.Log", c)
d = AppendRecord(sequence, "This is record D", b, c)
Console.WriteLine("Record D has sequence number System.IO.Log", d)
For Each record In sequence.ReadLogRecords(a, LogRecordEnumeratorType.Next)
Dim reader As New BinaryReader(record.Data)
Console.WriteLine("System.IO.Log: T:System.IO.Log.IRecordSequence", record.SequenceNumber, reader.ReadString())
Next record
For Each record In sequence.ReadLogRecords(d, LogRecordEnumeratorType.User)
Dim reader As New BinaryReader(record.Data)
Console.WriteLine("System.IO.Log: T:System.IO.Log.IRecordSequence", record.SequenceNumber, reader.ReadString())
Next record
For Each record In sequence.ReadLogRecords(d, LogRecordEnumeratorType.Previous)
Dim reader As New BinaryReader(record.Data)
Console.WriteLine("System.IO.Log: T:System.IO.Log.IRecordSequence", record.SequenceNumber, reader.ReadString())
Next record
End Sub
End Class示例2: AppendRecords
' Append records to the record sequence.
Public Sub AppendRecords()
Console.WriteLine("Appending Log Records...")
Dim previous As SequenceNumber = SequenceNumber.Invalid
previous = sequence.Append(CreateData("Hello World!"), SequenceNumber.Invalid, SequenceNumber.Invalid, RecordAppendOptions.ForceFlush)
previous = sequence.Append(CreateData("This is my first Logging App"), SequenceNumber.Invalid, SequenceNumber.Invalid, RecordAppendOptions.ForceFlush)
previous = sequence.Append(CreateData("Using FileRecordSequence..."), SequenceNumber.Invalid, SequenceNumber.Invalid, RecordAppendOptions.ForceFlush)
Console.WriteLine("Done...")
End Sub