本文整理汇总了VB.NET中System.IO.FileStream.Read方法的典型用法代码示例。如果您正苦于以下问题：VB.NET FileStream.Read方法的具体用法？VB.NET FileStream.Read怎么用？VB.NET FileStream.Read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.Read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: Test
' 导入命名空间
Imports System.IO
Class Test
Public Shared Sub Main()
' Specify a file to read from and to create.
Dim pathSource As String = "c:\tests\source.txt"
Dim pathNew As String = "c:\tests\newfile.txt"
Try
Using fsSource As FileStream = New FileStream(pathSource, _
FileMode.Open, FileAccess.Read)
' Read the source file into a byte array.
Dim bytes() As Byte = New Byte((fsSource.Length) - 1) {}
Dim numBytesToRead As Integer = CType(fsSource.Length,Integer)
Dim numBytesRead As Integer = 0
While (numBytesToRead > 0)
' Read may return anything from 0 to numBytesToRead.
Dim n As Integer = fsSource.Read(bytes, numBytesRead, _
numBytesToRead)
' Break when the end of the file is reached.
If (n = 0) Then
Exit While
End If
numBytesRead = (numBytesRead + n)
numBytesToRead = (numBytesToRead - n)
End While
numBytesToRead = bytes.Length
' Write the byte array to the other FileStream.
Using fsNew As FileStream = New FileStream(pathNew, _
FileMode.Create, FileAccess.Write)
fsNew.Write(bytes, 0, numBytesToRead)
End Using
End Using
Catch ioEx As FileNotFoundException
Console.WriteLine(ioEx.Message)
End Try
End Sub
End Class