public void Dispose()
{
if (_handle != null)
{
_handle.Close();
_handle = null;
}
}
private void CreateHandle()
{
_handle = Mailslot.CreateFile(
@"\\" + _machine + @"\mailslot\" + _name,
Mailslot.FileDesiredAccess.GenericWrite,
Mailslot.FileShareMode.FileShareRead,
IntPtr.Zero,
Mailslot.FileCreationDisposition.OpenExisting,
0,
IntPtr.Zero);
if (_handle.IsInvalid) throw new Win32Exception();
}
public MailslotServer(string name)
{
_handle = Mailslot.CreateMailslot(@"\\.\mailslot\" + name, 0, 0, IntPtr.Zero);
if (_handle.IsInvalid) throw new Win32Exception();
}
public void SendMessage(string msg)
{
if (_handle == null) CreateHandle();
int bytesWritten;
byte[] bMessage = Encoding.Unicode.GetBytes(msg);
bool succeeded = Mailslot.WriteFile(_handle, bMessage,
bMessage.Length, out bytesWritten, IntPtr.Zero);
if (!succeeded || bMessage.Length != bytesWritten)
{
if (_handle != null) _handle.Close();
_handle = null;
throw new Win32Exception();
}
}