VS 2010 FileStream 問題 (蠻復雜的)

n4chen

我想要讓VB.NET 存檔為 .DAT

1. Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
   
2.         Dim s, d, f, g, h As String
   
3.         s = "REG_SZ"
   
4.         d = "REG_DWORD"
   
5.         f = "REG_BINARY"
   
6.         g = "REG_MULTI_SZ"
   
7.         h = "REG_EXPAND_SZ"
   
8.         '------------------RegClass--------------------
   
9.         '------------------Create Record------------------
   
10.         If Dir("C:\Reg Record") = "" Then
    
11.             System.IO.Directory.CreateDirectory("C:\Reg Record")
    
12.         End If
    
13.         '------------------Create Record------------------
    
14.         '------------Create VB6 Object "Wshshell"-----------
    
15.         Dim WshShell
    
16.         WshShell = CreateObject("WScript.Shell")
    
17.         '------------Create VB6 Object "Wshshell"-----------
    
18.         '------------Declare Some Variable------------
    
19.         Dim a, b, c As String
    
20.         a = TextBox1.Text
    
21.         b = TextBox2.Text
    
22.         c = TextBox3.Text
    
23.         '------------Declare Some Variable------------
    
24.         '----------------Create Reg With RegClass Option----------------
    
25.         If RadioButton1.Checked = True Then
    
26.             WshShell.RegWrite("" & a, "" & b, "" & s)
    
27.             My.Computer.Registry.SetValue("" & a, "" & b, "" & c.ToString)
    
28.             Dim Y As String = Now.Year.ToString, M As String = Now.Month.ToString, DD As String = Now.Day.ToString, AllDateStr As String = Y & " Year " & M & " Mouth " & DD & " DAY"
    
29.             Dim IntDatWithStr As Integer
    
30.             AllDateStr = CInt(IntDatWithStr)
    
31.             Dim Buffrtr(100000) As Byte
    
32.             Dim CreateRegPath As String = AllDateStr & "  Create" & a & "\" & c
    
33.             Dim record As New FileStream("C:\Reg Record\CreatRegRecord.dat", FileMode.Create)
    
34.             Dim Writer As IAsyncResult = record.BeginWrite(Buffrtr, 0, CreateRegPath, Nothing, Nothing)
    
35.         End If

複製代碼

它已經產生 .DAT檔了
問題來了

1.        If RadioButton1.Checked = True Then
   
2.             WshShell.RegWrite("" & a, "" & b, "" & s)
   
3.             My.Computer.Registry.SetValue("" & a, "" & b, "" & c.ToString)
   
4.             Dim Y As String = Now.Year.ToString, M As String = Now.Month.ToString, DD As String = Now.Day.ToString, AllDateStr As String = Y & " Year " & M & " Mouth " & DD & " DAY"
   
5.             Dim IntDatWithStr As Integer
   
6.             AllDateStr = CInt(IntDatWithStr)
   
7.             Dim Buffrtr(100000) As Byte
   
8.             Dim CreateRegPath As String = AllDateStr & "  Create" & a & "\" & c
   
9.             Dim record As New FileStream("C:\Reg Record\CreatRegRecord.dat", FileMode.Create)
   
10.             Dim Writer As IAsyncResult = record.BeginWrite(Buffrtr, 0, CreateRegPath, Nothing, Nothing)
    
11.         End If

複製代碼

我想將 今天的 "年 月 日  新增登入檔的名稱 " 都寫入 .DAT 檔裡面
但都沒寫成功 都擲回 System.InvalidCastException
FileStream   

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