[DesignerSerializationVisibilityAttribute(DesignerSerializationVisibility.Hidden)]
[BrowsableAttribute(false)]
public int Count { get; }

<DesignerSerializationVisibilityAttribute(DesignerSerializationVisibility.Hidden)> _
<BrowsableAttribute(False)> _
Public ReadOnly Property Count As Integer
	Get

Implements

The SectionCollection class does not have Add or Remove methods.

That is because the number of sections in a report is determined by then number of groups. To add or remove sections from the report, you need to add or remove groups.