[Mono-bugs] [Bug 477438] Virtual/ownerdraw Listview cant handle >16 item

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https://bugzilla.novell.com/show_bug.cgi?id=477438

User Dax at daxxfiles.net added comment
https://bugzilla.novell.com/show_bug.cgi?id=477438#c2





--- Comment #2 from - - <Dax at daxxfiles.net>  2009-02-18 16:19:02 MST ---
I use mono svn. And it seems that I didn't mention something :/

This version _does_ die.


using System;
using System.Windows.Forms;

public class Test
{
        static void Main ()
        {
                Application.Run (new TestForm ());
        }
}

public class TestForm : Form
{
        ListView lv;
        ListViewItem [] items_cache;

        public TestForm ()
        {
                lv = new ListView ();
                lv.VirtualMode = true;
                lv.RetrieveVirtualItem += RetrieveVirtualItemHandler;
                lv.Dock = DockStyle.Fill;
                lv.Columns.Add ("One");
                lv.Columns.Add ("Two");
                lv.View = View.Details;
                lv.FullRowSelect = true;

                lv.OwnerDraw = true;
                lv.DrawItem += DrawListViewItemHandler;
                lv.DrawColumnHeader += DrawListViewColumnHeaderHandler;

                lv.Parent = this;
                items_cache = new ListViewItem [lv.VirtualListSize];
                lv.VirtualListSize = 17;
                lv.Refresh();
        }

        void DrawListViewColumnHeaderHandler (object o,
DrawListViewColumnHeaderEventArgs args)
        {
                args.DrawDefault = true;
        }

        void DrawListViewItemHandler (object o, DrawListViewItemEventArgs args)
        {
                args.DrawDefault = true;
        }

        void RetrieveVirtualItemHandler (object o, RetrieveVirtualItemEventArgs
args)
        {
                if (items_cache [args.ItemIndex] == null) {
                        ListViewItem item = new ListViewItem ("Item " +
args.ItemIndex);
                        item.SubItems.Add ("Sub item " + args.ItemIndex +
"-1");
                        items_cache [args.ItemIndex] = item;
                }

                args.Item = items_cache [args.ItemIndex];
        }
}

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