/// <summary> 
		/// This method will take the current min, max, and value to 
		/// calculate and layout the current control measurements.
		/// </summary> 
		protected virtual void UpdateTrackLayout()
		{
			if (this.IsInitializing)
			{
				return;
			}

			double range = this.Maximum - this.Minimum;
			if (range <= 0)
			{
				return;
			}
			double value = .0;

			Thickness margin = new Thickness();
			double coef = 1.0;

			if (this.IsSelectionRangeEnabled)
			{
				if (!this.IsArranged)
					return;
				value = this.IsDeferredDraggingEnabled ? this.DeferredSelectionStart : this.SelectionStart;
				double selectionStart = value;
				double selectionEnd = this.IsDeferredDraggingEnabled ? this.DeferredSelectionEnd : this.SelectionEnd;
				if (this.rangeStartThumb != null && this.rangeEndThumb != null && this.rangeMiddleThumb != null)
				{
					double rangeStartThumbWidth = this.thumbVisibility != System.Windows.Visibility.Collapsed ? this.rangeStartThumb.ActualWidth : 0d;
					double rangeEndThumbWidth = this.thumbVisibility != System.Windows.Visibility.Collapsed ? this.rangeStartThumb.ActualWidth : 0d;
					coef = this.baseTrackLength / range;
					margin = new Thickness(rangeStartThumbWidth, 0, rangeEndThumbWidth, 0);
					//// Prevent some rounding issues (due to pixel snapping)
					this.rangeMiddleThumb.Width = Math.Max(0, Math.Round(selectionEnd * coef) - Math.Round(selectionStart * coef));                    
                }
            }
			else
			{
				value = this.IsDeferredDraggingEnabled ? this.DeferredValue : this.Value;

				if (this.singleThumb != null)
				{
					var singThumblWidth = this.thumbVisibility != System.Windows.Visibility.Collapsed ? this.singleThumb.ActualWidth : 0d;
					coef = this.baseTrackLength / range;
					margin = new Thickness(singThumblWidth / 2, 0, singThumblWidth / 2, 0);
				}
			}

			if (this.bottomTickBar != null)
			{
				this.bottomTickBar.Margin = margin;
			}

			if (this.topTickBar != null)
			{
				this.topTickBar.Margin = margin;
			}

			if (this.largeDecrease != null)
			{
                if (value == this.Maximum)
                {
                    this.largeDecrease.Width = Math.Max(0, Math.Floor((value - this.Minimum) * coef));
                }
                else
                {
                    this.largeDecrease.Width = Math.Max(0, Math.Round(value * coef) - Math.Round(this.Minimum * coef));
                }
            }
		}