[DesignerSerializationVisibilityAttribute(DesignerSerializationVisibility.Hidden)]
[BrowsableAttribute(false)]
public bool Cancel { get; set; }

<DesignerSerializationVisibilityAttribute(DesignerSerializationVisibility.Hidden)> _
<BrowsableAttribute(False)> _
Public Property Cancel As Boolean
	Get
	Set

Setting this property to true while a report is being generated stops the report generation process. Any pages already created are kept in the document and can be previewed or printed by an attached print preview control.