本文整理汇总了VB.NET中System.IO.FileStream.SetLength方法的典型用法代码示例。如果您正苦于以下问题：VB.NET FileStream.SetLength方法的具体用法？VB.NET FileStream.SetLength怎么用？VB.NET FileStream.SetLength使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.IO.FileStream的用法示例。
在下文中一共展示了FileStream.SetLength方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的VB.NET代码示例。
示例1: MainClass
' 导入命名空间
Imports System.IO
Imports System.Collections
Imports System.Windows.Forms
Imports System.Runtime.Serialization.Formatters.Binary
Imports System.Runtime.Serialization
Public Class MainClass
Public Shared Sub Main()
Const NUMBER_OF_RECORDS As Integer = 100
Dim blankRecord As Employee = New Employee("f","l")
Dim fileOutput As FileStream
Dim binaryOutput As BinaryWriter
Dim fileName As String = "test.dat"
Dim i As Integer
Try
fileOutput = New FileStream(fileName,FileMode.Create, FileAccess.Write)
fileOutput.SetLength(Employee.SIZE * NUMBER_OF_RECORDS)
binaryOutput = New BinaryWriter(fileOutput)
For i = 0 To NUMBER_OF_RECORDS - 1
fileOutput.Position = i * Employee.SIZE
binaryOutput.Write(blankRecord.firstName)
binaryOutput.Write(blankRecord.lastName)
Next
Console.WriteLine("File Created")
Catch fileException As IOException
Console.WriteLine("Cannot write to file")
End Try
' close FileStream
If (fileOutput Is Nothing) <> False Then
fileOutput.Close()
End If
' close BinaryWriter
If (binaryOutput Is Nothing) <> False Then
binaryOutput.Close()
End If
End Sub
End Class
<Serializable()> Public Class Employee
Public firstName, lastName As String
Shared Public SIZE As Integer = 200
Public Sub New(ByVal first As String, ByVal last As String)
firstName = first
lastName = last
End Sub
Public Overrides Function ToString() As String
Return firstName & " " & lastName
End Function
End Class