Determines whether the horizontally docked ribbon is set to the height of the current tab or a predetermined height.
| Type: | Integer |
| Saved in: | Registry |
| Initial value: | 100 |
The valid range is from 0 to 500. When set to 0, the ribbon will always size itself to the height of the selected tab. When set to any value between 1 to 500, the ribbon will always be that number of pixels high.