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我有兩個字符串:如何在VB.NET中替換字節?
Dim Original_Hex_Bytes as string = "616572646E61"
Dim Patched_Hex_Bytes as string = "616E64726561"
然後,我有一個二進制文件,我需要搜索Original_Hex_Bytes與Patched_Hex_Bytes替換它們; ?我卻不知道偏移哪裏開始寫新的字節:(
我怎樣才能做到這一點
如果需要的話,我也知道如何爲十六進制的字符串轉換成字節,我用這個:
Private Function Hex_To_Bytes(ByVal strinput As String) As Byte()
Dim i As Integer = 0
Dim x As Integer = 0
Dim bytes(strinput.Length/2) As Byte
Do While (strinput.Length > i + 1)
Dim lngDecimal As Long = Convert.ToInt32(strinput.Substring(i, 2), 16)
bytes(x) = Convert.ToByte(lngDecimal)
i += 2
x += 1
Loop
Return bytes
End Function
你有什麼麻煩?你能打開並閱讀文件嗎? – 2015-02-11 16:27:46
未指定偏移量的主要問題是,如果序列出現多次,您可能會更改錯誤的字節。 – 2015-02-11 18:27:33