ARCed.UI.DockPanel.RemoveContent C# (CSharp) Method

        public void RemoveContent(IDockContent content)
        {
            if (content == null)
                throw (new ArgumentNullException());

            if (this.Contents.Contains(content))
            {
                this.Contents.Remove(content);
                this.OnContentRemoved(new DockContentEventArgs(content));
            }
        }