static void Main(string[] args)
{
SafeMailslotHandle hMailslot = null;
try
{
// Prepare the security attributes (the lpSecurityAttributes parameter
// in CreateMailslot) for the mailslot. This is optional. If the
// lpSecurityAttributes parameter of CreateMailslot is NULL, the
// mailslot gets a default security descriptor and the handle cannot
// be inherited. The ACLs in the default security descriptor of a
// mailslot grant full control to the LocalSystem account, (elevated)
// administrators, and the creator owner. They also give only read
// access to members of the Everyone group and the anonymous account.
// However, if you want to customize the security permission of the
// mailslot, (e.g. to allow Authenticated Users to read from and
// write to the mailslot), you need to create a SECURITY_ATTRIBUTES
// structure.
SECURITY_ATTRIBUTES sa = null;
sa = CreateMailslotSecurity();
// Create the mailslot.
hMailslot = NativeMethod.CreateMailslot(
MailslotName, // The name of the mailslot
0, // No maximum message size
MAILSLOT_WAIT_FOREVER, // Waits forever for a message
sa // Mailslot security attributes
);
if (hMailslot.IsInvalid)
{
throw new Win32Exception();
}
Console.WriteLine("The mailslot ({0}) is created.", MailslotName);
// Check messages in the mailslot.
Console.Write("Press ENTER to check new messages or press Q to quit ...");
string cmd = Console.ReadLine();
while (!cmd.Equals("Q", StringComparison.OrdinalIgnoreCase))
{
Console.WriteLine("Checking new messages...");
ReadMailslot(hMailslot);
Console.Write("Press ENTER to check new messages or press Q to quit ...");
cmd = Console.ReadLine();
}
}
catch (Win32Exception ex)
{
Console.WriteLine("The server throws the error: {0}", ex.Message);
}
finally
{
if (hMailslot != null)
{
hMailslot.Close();
hMailslot = null;
}
}
}
