Mailslot: Windows

: Because of their narrow height or width, these windows can be placed in bathrooms, hallways, or street-facing walls. They allow light to flood in without giving passersby a clear view of the interior. Common Applications :

Use when you are building a client-server chat app, a database connection, or transferring files. Use Mailslots when you want to ping the network or send a "signal" without the overhead of establishing a connection. mailslot windows

See MSDN archives: "Mailslot Functions" (CreateMailslot, etc.) – not a paper, but a technical reference. : Because of their narrow height or width,

If you find yourself needing to announce "I am online!" to a fleet of machines, or need a lightweight logging sink, don't reach for a complex HTTP server or a heavy socket implementation. Give the humble Mailslot a try. It might just be the simple solution you were looking for. Use Mailslots when you want to ping the