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85 строки
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85 строки
3.1 KiB
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<TITLE> [Gtk-sharp-list] Drawing Area and Mouse Button Signals
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<H1>[Gtk-sharp-list] Drawing Area and Mouse Button Signals
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</H1>
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<B>"Manuel V. Santos L<>pez"
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</B>
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<A HREF="mailto:mvsl%40telefonica.net"
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TITLE="[Gtk-sharp-list] Drawing Area and Mouse Button Signals">mvsl@telefonica.net
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</A><BR>
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<I>Tue, 24 Aug 2004 23:44:32 +0200</I>
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<P><UL>
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<LI> Previous message: <A HREF="004760.html">[Gtk-sharp-list] Drawing Area and Mouse Button Signals
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</A></li>
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<LI> Next message: <A HREF="004763.html">[Gtk-sharp-list] Drawing Area and Mouse Button Signals
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<LI> <B>Messages sorted by:</B>
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<a href="date.html#4761">[ date ]</a>
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<a href="thread.html#4761">[ thread ]</a>
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<a href="subject.html#4761">[ subject ]</a>
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<a href="author.html#4761">[ author ]</a>
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<HR>
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<!--beginarticle-->
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<PRE>Hi,
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you should set the event mask before realizing the drawingarea.
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The code should read:
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><i> drawingarea = new Gtk.DrawingArea();
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</I>><i> drawingarea.SetSizeRequest(700, 400);
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</I>-----> // vbox2.PackEnd(drawingarea);
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><i>
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</I>><i> drawingarea.ExposeEvent += new ExposeEventHandler(drawingarea_expose_event_cb);
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</I>><i> drawingarea.ConfigureEvent += new ConfigureEventHandler(drawingarea_configure_event_cb);
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</I>><i> drawingarea.MotionNotifyEvent += new MotionNotifyEventHandler(drawingarea_motion_notify_event_cb);
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</I>><i> drawingarea.ButtonPressEvent += new ButtonPressEventHandler(drawingarea_button_press_event_cb);
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</I>><i> drawingarea.Events = EventMask.ExposureMask | EventMask.LeaveNotifyMask |
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</I>><i> EventMask.ButtonPressMask | EventMask.PointerMotionMask |
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</I>><i> EventMask.PointerMotionHintMask;
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</I>><i>
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</I>><i> drawingarea.CanFocus = true;
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</I>><i> drawingarea.GrabFocus();
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</I>><i>
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</I>><i> canvas = new DamageCanvas(drawingarea);
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</I>-----> vbox2.PackEnd(drawingarea);
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><i> main_window.Resize(800, 500);
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</I>><i>
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</I>
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Hope it helps you.
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Greetings,
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Manuel V. Santos L<>pez.
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</PRE>
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<!--endarticle-->
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