[MonoDevelop] How to Make Dialog which Disappears after 3 Seconds?

[Jacek Rużyczka]

Hello,

I made up a Gtk# dialog without (!) the well-known window decoration, which 
shall do the following:

(1) Pop up whenever the user hovers over some widget with the mouse cursor. --
> No problem so far.
(2) Disappear when the user presses the CLOSE button. --> trivial
(3) Disappear by itself after 3 seconds. --> I use the Timer class to do this.
(4) Allow the user to keep on using the underlying toplevel window whilst the 
dialog is displayed. --> Modal property set to false.

Now I encounter the following problem: In many cases the dialog disappears, 
but the underlying window freezes, so that I have to abort the app brute-force 
by using Ctrl+Alt-Esc.

I sued "Dock" as window type, so that the typical window decoration will not 
be displayed. I also tried out "Splash screen", but the results were 
unsatisfactory as well.

Any hints?

Regards
Jacek

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