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add example
svn path=/trunk/gtk-sharp/; revision=26091
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@ -1,6 +1,7 @@
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2004-04-27 John Luke <jluke@cfl.rr.com>
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* en/Gdk/Threads.xml: document
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* en/Gtk/TreeSelection.xml: add example
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2004-04-12 Mike Kestner <mkestner@ximian.com>
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@ -17,6 +17,53 @@
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<para>TreeSelection can check the selection status of the tree, as well as select and deselect individual rows. Selection is done completely on the view. As a result, multiple views of the same model can have completely different selections. Additionally, you cannot change the selection of a row that is not currently displayed by the view without expanding its parents first.</para>
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<para>One of the important things to remember when monitoring the selection of a view is that the <see cref="E:Gtk.TreeSelection.Changed" /> event is mostly a hint. For example, it may only fire once when a range of rows is selected. It may also fire when nothing has happened, such as when <see cref="M:Gtk.TreeSelection.SelectPath(Gtk.TreePath)" /> is called on a row that is already selected.</para>
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</remarks>
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<example>
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<code lang="C#">
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using System;
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using Gtk;
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class Selection
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{
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static void Main ()
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{
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Application.Init ();
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Window win = new Window ("TreeSelection sample");
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win.DeleteEvent += OnWinDelete;
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TreeView tv = new TreeView ();
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tv.AppendColumn ("Items", new CellRendererText (), "text", 0);
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ListStore store = new ListStore (typeof (string));
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store.AppendValues ("item 1");
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store.AppendValues ("item 2");
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tv.Model = store;
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tv.Selection.Changed += OnSelectionChanged;
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win.Add (tv);
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win.ShowAll ();
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Application.Run ();
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}
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static void OnSelectionChanged (object o, EventArgs args)
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{
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TreeIter iter;
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TreeModel model;
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if (((TreeSelection)o).GetSelected (out model, out iter))
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{
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string val = (string) model.GetValue (iter, 0);
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Console.WriteLine ("{0} was selected", val);
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}
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}
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static void OnWinDelete (object o, DeleteEventArgs args)
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{
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Application.Quit ();
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}
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}
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</code>
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</example>
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</Docs>
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<Base>
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<BaseTypeName>GLib.Object</BaseTypeName>
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