Report Builder specifies this constant in a SAM_ReportNotify message's lParam. Report Builder sends the SAM_ReportNotify message when it is ready to format a part of a report. When you process SAM_ReportNotify, you can check the lParam parameter value to see which part of the report Report Builder is ready to process. RPT_BeforeBreakHeader1 through RPT_BeforeBreakHeader8 are before a report's detail block. Value = 13

public const int RPT_BeforeBreakHeader8