An AlignmentEnum expression that specifies the alignment of the day within the
cell.
By default, the AlignmentDay property is RightAlignment,
which means that the day is displayed to the right of their cells. Use the
AlignmentDay property to specify the horizontal alignment of the day inside
the cell where it is displayed. For instance, if the cell's size is fixed
using the AutoSize property on exFixedSize,
FixedCellWidth and FixedCellHeight
property you can specify the day's alignment to be on center.