private void mnuProperties_Click(object sender, EventArgs e) { if (lstChats.SelectedItem != null) { ChatListItem itm = lstChats.SelectedItem as ChatListItem; BitChatPanel chatPanel = itm.Tag as BitChatPanel; using (frmChatProperties frm = new frmChatProperties(chatPanel.BitChat)) { frm.Text = chatPanel.BitChat.NetworkName + " - Properties"; frm.ShowDialog(this); } } }