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<TITLE> [Gtk-sharp-list] Transparent tray icon
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<H1>[Gtk-sharp-list] Transparent tray icon</H1>
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<B>Michael Hutchinson</B>
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<A HREF="mailto:gtk-sharp-list%40lists.ximian.com?Subject=%5BGtk-sharp-list%5D%20Transparent%20tray%20icon&In-Reply-To=256d62360802040410t4081c6c1ie3fc43dfc0968d64%40mail.gmail.com"
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TITLE="[Gtk-sharp-list] Transparent tray icon">m.j.hutchinson at gmail.com
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</A><BR>
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<I>Thu Feb 7 14:15:06 EST 2008</I>
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<!--beginarticle-->
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<PRE>On Feb 4, 2008 7:10 AM, Suco <<A HREF="http://lists.ximian.com/mailman/listinfo/gtk-sharp-list">sucotronic at gmail.com</A>> wrote:
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><i> I've find this documentation about tray icons with mono:
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</I>><i> <A HREF="http://www.mono-project.com/GtkSharpNotificationIcon">http://www.mono-project.com/GtkSharpNotificationIcon</A>
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</I>><i>
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</I>><i> But the result tray icon doesn't have a transparent background.
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</I>><i> This is my code
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</I>><i> this.icon = Gdk.Pixbuf.LoadFromResource("pru.png");
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</I>><i> Gtk.Image kk = new Gtk.Image(icon.ScaleSimple(24, 24, Gdk.InterpType.Hyper));
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</I>><i>
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</I>><i> EventBox eb = new EventBox();
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</I>><i> eb.Add(kk);
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</I>><i> eb.ButtonPressEvent += new ButtonPressEventHandler(OnTrayClicked);
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</I>><i>
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</I>><i> TrayIcon Icon = new TrayIcon("pru");
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</I>><i> Icon.GdkWindow.SetBackPixmap (null, true);
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</I>><i> Icon.ShowAll();
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</I>><i>
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</I>><i> Any idea to solve it?
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</I>
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That page has unfortunately not been updated in 2.5 years, and it's
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likely that some things have changed since it was last updated. It
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also makes a lot of X11-specific call, which is not portable. It's
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probably possible to make it work, but I'm not surre how. Did you try
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it unscaled?
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If you're using GTK# 2.10 or later, there's a new cross-platform
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StatusIcon class that may be useful to you -- and also a TrayIcon
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class that's X11 only but offers the ability to plug in arbitrary
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widgets.
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--
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Michael Hutchinson
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<A HREF="http://mjhutchinson.com">http://mjhutchinson.com</A>
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</PRE>
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