public byte[] SaveErjianzhi(string Path)
{
Stream streamTimu = new FileStream(Path, FileMode.Open);
byte[] buffer = new byte[streamTimu.Length];
streamTimu.Read(buffer, 0, (int)streamTimu.Length);
streamTimu.Close();
return buffer;
}
private void button1_Click(object sender, EventArgs e)
{
byte[] buffer1 = SaveErjianzhi("d:\\shiti.doc");
byte[] buffer2 = SaveErjianzhi("d:\\daan.doc");
FileStream fs = new FileStream("D:\\aaa.doc", FileMode.Open);
BinaryWriter bw = new BinaryWriter(fs);
bw.Write((Byte[])buffer1);
bw.Write((Byte[])buffer2);
bw.Close();
fs.Close();

}

第二个写word内容写不进去