本文整理匯總了VB.NET中System.IO.StreamReader.Read方法的典型用法代碼示例。如果您正苦於以下問題：VB.NET StreamReader.Read方法的具體用法？VB.NET StreamReader.Read怎麽用？VB.NET StreamReader.Read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.StreamReader的用法示例。
在下文中一共展示了StreamReader.Read方法的3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: Test
' 導入命名空間
Imports System.IO
Imports System.Text
Public Class Test
Public Shared Sub Main()
Dim path As String = "c:\temp\MyTest.txt"
Try
If File.Exists(path) Then
File.Delete(path)
End If
Dim sw As StreamWriter = New StreamWriter(path)
sw.WriteLine("This")
sw.WriteLine("is some text")
sw.WriteLine("to test")
sw.WriteLine("Reading")
sw.Close()
Dim sr As StreamReader = New StreamReader(path)
Do While sr.Peek() >= 0
Console.Write(Convert.ToChar(sr.Read()))
Loop
sr.Close()
Catch e As Exception
Console.WriteLine("The process failed: {0}", e.ToString())
End Try
End Sub
End Class示例2: StrmRdrRead
' 導入命名空間
Imports System.IO
Class StrmRdrRead
Public Shared Sub Main()
'Create a FileInfo instance representing an existing text file.
Dim MyFile As New FileInfo("c:\csc.txt")
'Instantiate a StreamReader to read from the text file.
Dim sr As StreamReader = MyFile.OpenText()
'Read a single character.
Dim FirstChar As Integer = sr.Read()
'Display the ASCII number of the character read in both decimal and hexadecimal format.
Console.WriteLine("The ASCII number of the first character read is {0:D} in decimal and {1:X} in hexadecimal.", FirstChar, FirstChar)
sr.Close()
End Sub
End Class示例3: Test
' 導入命名空間
Imports System.IO
Imports System.Text
Public Class Test
Public Shared Sub Main()
Dim path As String = "c:\temp\MyTest.txt"
Try
If File.Exists(path) Then
File.Delete(path)
End If
Dim sw As StreamWriter = New StreamWriter(path)
sw.WriteLine("This")
sw.WriteLine("is some text")
sw.WriteLine("to test")
sw.WriteLine("Reading")
sw.Close()
Dim sr As StreamReader = New StreamReader(path)
Do While sr.Peek() >= 0
'This is an arbitrary size for this example.
Dim c(5) As Char
sr.Read(c, 0, c.Length)
'The output will look odd, because
'only five characters are read at a time.
Console.WriteLine(c)
Loop
sr.Close()
Catch e As Exception
Console.WriteLine("The process failed: {0}", e.ToString())
End Try
End Sub
End Class