public void UpdateChannels()
{
List <Channel> channels = client.GetChannelList();
((ToolStripMenuItem)contextMenuStripChannels.Items[0]).DropDownItems.Clear();
//contextMenuStripChannels.Invoke((MethodInvoker)delegate { ((ToolStripMenuItem)contextMenuStripChannels.Items[0]).DropDownItems.Clear(); });
for (int i = 0; i < channels.Count; i++)
{
Channel c = channels[i];
((ToolStripMenuItem)contextMenuStripChannels.Items[0]).DropDownItems.Add(c.GetLabel());
((ToolStripMenuItem)contextMenuStripChannels.Items[0]).DropDownItems[i].Tag = c.GetName();
((ToolStripMenuItem)contextMenuStripChannels.Items[0]).DropDownItems[i].Click += JoinChannel;
//contextMenuStripChannels.Invoke((MethodInvoker)delegate{((ToolStripMenuItem)contextMenuStripChannels.Items[0]).DropDownItems.Add(c.GetLabel());});
}
}