e3a26238b6
* glib/ManagedValue.cs : add null/NULL guarding to Copy, Free, WrapObject, and ObjectForWrapper. [Fixes #74197] svn path=/trunk/gtk-sharp/; revision=42434
78 lines
1.8 KiB
C#
78 lines
1.8 KiB
C#
// ManagedTreeViewDemo.cs - Another TreeView demo
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//
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// Author: Rachel Hestilow <hestilow@ximian.com>
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//
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// (c) 2003 Rachel Hestilow
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namespace GtkSamples {
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using System;
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using System.Runtime.InteropServices;
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using Gtk;
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public class TreeViewDemo {
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private static ListStore store = null;
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private class Pair {
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public string a, b;
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public Pair (string a, string b) {
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this.a = a;
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this.b = b;
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}
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}
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private static void PopulateStore ()
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{
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store = new ListStore (typeof (Pair));
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string[] combs = {null, "foo", "bar", "baz"};
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foreach (string a in combs) {
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foreach (string b in combs) {
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store.AppendValues (new Pair (a, b));
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}
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}
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}
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private static void CellDataA (Gtk.TreeViewColumn tree_column, Gtk.CellRenderer cell, Gtk.TreeModel tree_model, Gtk.TreeIter iter)
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{
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Pair val = (Pair) store.GetValue (iter, 0);
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((CellRendererText) cell).Text = val.a;
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}
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private static void CellDataB (Gtk.TreeViewColumn tree_column, Gtk.CellRenderer cell, Gtk.TreeModel tree_model, Gtk.TreeIter iter)
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{
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Pair val = (Pair) store.GetValue (iter, 0);
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((CellRendererText) cell).Text = val.b;
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}
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public static void Main (string[] args)
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{
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Application.Init ();
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PopulateStore ();
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Window win = new Window ("TreeView demo");
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win.DeleteEvent += new DeleteEventHandler (DeleteCB);
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win.DefaultWidth = 320;
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win.DefaultHeight = 480;
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ScrolledWindow sw = new ScrolledWindow ();
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win.Add (sw);
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TreeView tv = new TreeView (store);
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tv.HeadersVisible = true;
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tv.AppendColumn ("One", new CellRendererText (), new TreeCellDataFunc (CellDataA));
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tv.AppendColumn ("Two", new CellRendererText (), new TreeCellDataFunc (CellDataB));
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sw.Add (tv);
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win.ShowAll ();
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Application.Run ();
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}
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private static void DeleteCB (System.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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}
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