ARCed.UI.DockPane.SetDockState C# (CSharp) Method

        public DockPane SetDockState(DockState value)
        {
            if (value == DockState.Unknown || value == DockState.Hidden)
                throw new InvalidOperationException(Strings.DockPane_SetDockState_InvalidState);

            if ((value == DockState.Float) == this.IsFloat)
            {
                this.InternalSetDockState(value);
                return this;
            }

            if (this.DisplayingContents.Count == 0)
                return null;

            IDockContent firstContent = null;
            for (int i = 0; i < this.DisplayingContents.Count; i++)
            {
                IDockContent content = this.DisplayingContents[i];
                if (content.DockHandler.IsDockStateValid(value))
                {
                    firstContent = content;
                    break;
                }
            }
            if (firstContent == null)
                return null;

            firstContent.DockHandler.DockState = value;
            DockPane pane = firstContent.DockHandler.Pane;
            this.DockPanel.SuspendLayout(true);
            for (int i = 0; i < this.DisplayingContents.Count; i++)
            {
                IDockContent content = this.DisplayingContents[i];
                if (content.DockHandler.IsDockStateValid(value))
                    content.DockHandler.Pane = pane;
            }
            this.DockPanel.ResumeLayout(true, true);
            return pane;
        }