virtualmode

I have a ListView in Virtual Mode. I wanna to access SelectedItems property. But when I use ListView1.SelectedItems , I receive the following Exception : Cannot access the selected items collection when the ListView is in virtual mode How can I access to ListView1.SelectedItems in VirtualMode. It is quite old post but maybe someone else will benefit. Simply use ListView.SelectedIndexCollection col = listView.SelectedIndices; Then you can access an item: forearch(var item in col) { string txt = listView.Items[item].Text; } ..but you won't be able to iterate through ListView.Items using foreach

In my C# (2010) application I have a DataGridView in Virtual Mode which holds several thousand rows. Is it possible to find out which cells are onscreen at the moment? Alireza Maddah public void GetVisibleCells(DataGridView dgv) { var visibleRowsCount = dgv.DisplayedRowCount(true); var firstDisplayedRowIndex = dgv.FirstDisplayedCell.RowIndex; var lastvisibleRowIndex = (firstDisplayedRowIndex + visibleRowsCount) - 1; for (int rowIndex = firstDisplayedRowIndex; rowIndex <= lastvisibleRowIndex; rowIndex++) { var cells = dgv.Rows[rowIndex].Cells; foreach (DataGridViewCell cell in cells) { if (cell

I'm using virtual mode of listview to show a larg data. But I don't know how to show image for each item. Who can help me ? I wrote private void ListContact_RetrieveVirtualItem(object sender, RetrieveVirtualItemEventArgs e) { MyContact contact = ContactData.GetMyContact(e.ItemIndex); if (e.Item == null) e.Item = new ListViewItem(contact.ToString()); if (contact.Photo != null) { e.Item.ImageList.Images.Add("" + contact.Id, contact.Photo); e.Item.ImageKey = "" + contact.Id; } else { e.Item.ImageKey = "default"; } } But it don't work properly This seems to be a bug in the .NET Framework (that's