Question

如何将以下代码行从VB.NET转换为C＃。

Dim bytes(tcpClient.ReceiveBufferSize) As Byte

我从developerfusion网站上获得了以下一行，但它在我的程序中给出了错误的结果。

byte[] bytes = new byte[tcpClient.ReceiveBufferSize + 1];

以下是我在Visual Basic中的整个代码示例。

Dim tcpClient As New System.Net.Sockets.TcpClient()
TcpClient.Connect(txtIP.Text, txtPort.Text)

Dim networkStream As NetworkStream = TcpClient.GetStream()
If networkStream.CanWrite And networkStream.CanRead Then

    Dim sendBytes As [Byte]() = Encoding.ASCII.GetBytes(txtSend.Text.Trim())

    networkStream.Write(sendBytes, 0, sendBytes.Length)

    ' Read the NetworkStream into a byte buffer.
    TcpClient.ReceiveBufferSize = 52428800 '50 MB

    'Do I need to clean the buffer?
    'Get the string back (response)
    Dim bytes(tcpClient.ReceiveBufferSize) As Byte
    networkStream.Read(bytes, 0, CInt(TcpClient.ReceiveBufferSize))

    ' Output the data received from the host to the console.
    Dim returndata As String = Encoding.ASCII.GetString(bytes)

Answer 1

Visual Basic指定数组的最大边界而不是数组的长度（数组从索引0开始），因此您的转换添加了一个额外的字节。但是在你的代码中，正确的方法是：

byte[] bytes = new byte[tcpClient.ReceiveBufferSize];

如果你得到错误的结果，请告诉我们到底出了什么问题。也许这是代码的另一部分。

修改：删除\ 0，如下所示：

byte[] bytes = new byte[tcpClient.ReceiveBufferSize];
int bytesRead = networkStream.Read(bytes, 0, tcpClient.ReceiveBufferSize);
// Output the data received from the host to the console. 
string returndata = Encoding.ASCII.GetString(bytes,0,bytesRead);

编辑：更好地读取数据包中的数据，因此您无需预先保留大缓冲区：

byte[] bytes = new byte[4096]; //buffer
int bytesRead = networkStream.Read(bytes, 0, bytes.Length);
while(bytesRead>0)
{
    // Output the data received from the host to the console. 
    string returndata = Encoding.ASCII.GetString(bytes,0,bytesRead);
    Console.Write(returndata);
    bytesRead = networkStream.Read(bytes, 0, bytes.Length);
}

将这行代码从VB.NET转换为C＃？

1 个答案: