Specifies major tick mark type.
Use this property to customize major tick mark position. It can be one of the following enumerated values:
- TMT_NO_TICKS - no tick mark is displayed
- TMT_INSIDE - tick marks are displayed inside of the diagram area
- TMT_OUTSIDE - tick marks are displayed outside of diagram area
- TMT_CROSS - tick marks cross the axis being displayed outside and inside of the diagram area