A Long expression that specifies the width of the group, in pixels.
By default, the schedule view splits the groups in equal
parts. You can use the Width property to change the width of the Group by
code. The Visible property specifies whether a
group is shown or hidden. The Width property has no effect if the Group is not
visible. The AllowResizeGroup
property indicates whether the user can change the width of the group at
runtime,