[C#] .bin檔存取及讀寫

●Read Bin file

private void btnReadBin_Click(object sender, EventArgs e)
{
    /*Sets the file dialog box title.*/
    openFileDialog1.Title = "Select *.bin";
    /*Sets the current file name filter string.*/
    openFileDialog1.Filter = "bin files (*.bin)|*.bin";

    /*Runs a common dialog box with a default owner.*/
    if (openFileDialog1.ShowDialog() == DialogResult.OK)
    {
        /*Show path*/
        txtFilePath.Text = openFileDialog1.FileName;
        /*Open Bin file*/
        FileStream myFile = File.Open(openFileDialog1.FileName, FileMode.Open, FileAccess.ReadWrite);
        /*Initializes a new instance*/
        BinaryReader myReader = new BinaryReader(myFile);
        /*Retrieve the length of Bin file*/
        iLength = System.Convert.ToInt32(myFile.Length);

        /*Read to array*/
        byte[] bData = new byte[51200];
        bData = myReader.ReadBytes(iLength);             

        myReader.Close();
        myFile.Close();
    }
}

●Write Bin file

private void btnWrite_Click(object sender, EventArgs e)
{
    /*Sets the file dialog box title.*/
    saveFileDialog1.Title = "Select *.bin";
    /*Sets the current file name filter string.*/
    saveFileDialog1.Filter = "bin files (*.bin)|*.bin";

    /*Runs a common dialog box with a default owner.*/
    if (saveFileDialog1.ShowDialog() == DialogResult.OK)
    {
        /*Open Bin file*/
        FileStream myFile = new FileStream(saveFileDialog1.FileName, FileMode.OpenOrCreate);
    
        /*Initializes a new instance*/
        BinaryWriter myWriter = new BinaryWriter(myFile);

        /*Write to bin file*/
        myWriter.Write(bData, 0, iLength);
        
        myWriter.Close();
        myFile.Close();
    }
}