Dynamo.Controls.DynamoView.GetSlidingWindowSize C# (CSharp) Method

        private int GetSlidingWindowSize()
        {
            int tabCount = WorkspaceTabs.Items.Count;

            // Note: returning -1 for Home tab being always visible.
            // Home tab is not taken account into sliding window
            if (tabCount > Configurations.MinTabsBeforeClipping)
            {
                // Usable tab control width need to exclude tabcontrol menu
                int usableTabControlWidth = (int)WorkspaceTabs.ActualWidth - Configurations.TabControlMenuWidth;

                int fullWidthTabsVisible = usableTabControlWidth / Configurations.TabDefaultWidth;

                if (fullWidthTabsVisible < Configurations.MinTabsBeforeClipping)
                    return Configurations.MinTabsBeforeClipping - 1;
                else
                {
                    if (tabCount < fullWidthTabsVisible)
                        return tabCount - 1;

                    return fullWidthTabsVisible - 1;
                }
            }
            else
                return tabCount - 1;
        }