Is there any way to check whether a friend has signed in/out, or if you've received a new message?

Thought i'd make a little app to sit in the taskbar and yell at me when someone comes on, but if i miss the 'dink' sound then im buggered, unless i check it every 5 seconds.

No. That would require the bits for those studios that are registered developers.

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Jim Perry
Here's what I'm up to.

We don't actually even expose friend presence change notifications even for registered developers.

You could detect this just by enumerating your friends list, and repeating that every few seconds to check if anything has changed.

There's no way that I know of to detect message notifications, not even in native C++ XDK land.

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XNA Framework Developer
blog - homepage

I wasn't sure if the event exposure was there, but I did know that you could, if you had to, do it yourself since you'd have the Friends list. I guess I need to be more verbose in my answers. :)

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Jim Perry
Here's what I'm up to.