//write
private void button1_Click(object sender, EventArgs e)
{
NamedPipeClientStream pipeClient = new NamedPipeClientStream(".",
"TestPipe",
PipeDirection.InOut
);
pipeClient.Connect();
//char[] str = new char[200];
//char[] src = "hi, this is a test!".ToCharArray();
//Array.Copy(src, str, src.Length);
//byte[] dst = Encoding.ASCII.GetBytes(str);
//byte[] rt = new byte[200];
//Array.Copy(dst, rt, dst.Length);
//MessageBox.Show(Encoding.ASCII.GetString(rt));
Stu stu = new Stu();
stu.Age = 10;
stu.Name = "123456";
byte[] b = this.getBytes(stu);
pipeClient.Write(b, 0, b.Length);
pipeClient.Close();
}
//and from MyStructure to byte[]:
public byte[] getBytes(Stu str)
{
int size = Marshal.SizeOf(str);
byte[] arr = new byte[size];
IntPtr ptr = Marshal.AllocHGlobal(size);
Marshal.StructureToPtr(str, ptr, true);
Marshal.Copy(ptr, arr, 0, size);
Marshal.FreeHGlobal(ptr);
return(arr);
}
//and from byte[] to MyStructure:
public Stu fromBytes(byte[] arr)
{
Stu str = new Stu();
int size = Marshal.SizeOf(str);
IntPtr ptr = Marshal.AllocHGlobal(size);
Marshal.Copy(arr, 0, ptr, size);
str = (Stu)Marshal.PtrToStructure(ptr, str.GetType());
Marshal.FreeHGlobal(ptr);
return(str);
}
//read
private void button2_Click(object sender, EventArgs e)
{
NamedPipeServerStream pipeServer = new NamedPipeServerStream(
"TestPipe",
PipeDirection.InOut,
10,
PipeTransmissionMode.Byte,
PipeOptions.None
);
pipeServer.WaitForConnection();
Thread.Sleep(10000);
//StreamReader read = new StreamReader(pipeServer);
//char[] s = new char[100];
//while (read.Peek()>=0)
//{
// read.Read(s, 0, s.Length);
//}
//while (true)
{
byte[] buff = new byte[255];
int c = pipeServer.Read(buff, 0, 255);
MessageBox.Show(c.ToString());
if (c > 0)
{
Stu s = fromBytes(buff);
MessageBox.Show(s.Age.ToString());
MessageBox.Show(s.Name);
//string str = Encoding.ASCII.GetString(buff);
//MessageBox.Show(str);
listBox1.Items.Add(s.Name);
}
else
{
Thread.Sleep(3000);
}
}
}
