Shoutbox

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Originally posted by John Anderton

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Originally posted by Eljay
It's not a GDI+ problem at all, it's because Plus! has it's own window that it uses for the tabbed chat feature  (MessengerPlusLive_TabbedChats). This window doesn't have a DWM thumbnail so it doesn't appear in 3D Flip or on taskbar thumbnails. Not sure why, I'm sure someone else can explain better

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I didn't know why that happened but infact that makes perfect sense to me
I always thought that those windows were dybamically created from scratch (omg resource whore) but thats not totally true I realised that when i saw my first app not having a DWM thumbunail.

Do .NET applications have it by default because in a .NET 2.0 application I was making, I could see the thumbunail by default (no code was required)

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All windows have a DWM thumbnail window by default, it's just that the MessengerPlusLive_TabbedChats window is never actually visible. All it does is provide the taskbar button and menu.
It should be possible to "link" the current chat with the tabbed chat taskbar item so Vista displays a live thumbnail using the DWM API (I have experimented in a script but couldn't get it working ).