public ZoomDirections Direction {get; set;}
Remarks
Default: Both
Set the direction of the zoom (Horizontal, Vertical, Both) on a selected area. Eg. Horizontal will zoom only on a horizontal plane although the mouse is dragged across a vertical and horizontal plane.
Example
[C#]
tChart1.Zoom.Direction = ZoomDirections.Horizontal;
See Also
Zoom Class | Zoom Members | Steema.TeeChart Namespace