private void BreakBand(BandBase band)
{
BandBase cloneBand = Activator.CreateInstance(band.GetType()) as BandBase;
cloneBand.Assign(band);
cloneBand.SetRunning(true);
cloneBand.FlagMustBreak = band.FlagMustBreak;
// clone band objects:
// - remove bands that can break, convert them to Text objects if necessary
// - skip subreports
foreach (Base c in band.Objects)
{
if (c is BandBase && (c as BandBase).CanBreak)
{
BandBase b = c as BandBase;
if (b.HasBorder || b.HasFill)
{
TextObject textObj = new TextObject();
textObj.Bounds = b.Bounds;
textObj.Border = b.Border.Clone();
textObj.Fill = b.Fill.Clone();
cloneBand.Objects.Add(textObj);
}
foreach (ReportComponentBase obj in b.Objects)
{
if (!(obj is BandBase))
{
ReportComponentBase cloneObj = Activator.CreateInstance(obj.GetType()) as ReportComponentBase;
cloneObj.AssignAll(obj);
cloneObj.Anchor = AnchorStyles.Left | AnchorStyles.Top;
cloneObj.Dock = DockStyle.None;
cloneObj.Left = obj.AbsLeft - band.AbsLeft;
cloneObj.Top = obj.AbsTop - band.AbsTop;
if (cloneObj is TextObject)
{
(cloneObj as TextObject).Highlight.Clear();
}
cloneBand.Objects.Add(cloneObj);
}
}
}
else if (!(c is SubreportObject))
{
Base cloneObj = Activator.CreateInstance(c.GetType()) as Base;
cloneObj.AssignAll(c);
cloneObj.Parent = cloneBand;
}
}
BandBase breakTo = Activator.CreateInstance(band.GetType()) as BandBase;
breakTo.Assign(band);
breakTo.SetRunning(true);
breakTo.Child = null;
breakTo.CanGrow = true;
breakTo.StartNewPage = false;
breakTo.OutlineExpression = "";
breakTo.BeforePrintEvent = "";
breakTo.BeforeLayoutEvent = "";
breakTo.AfterPrintEvent = "";
breakTo.AfterLayoutEvent = "";
// breakTo must be breaked because it will print on a new page.
breakTo.FlagMustBreak = true;
// to allow clone and breaked bands to access Report
cloneBand.SetReport(Report);
breakTo.SetReport(Report);
try
{
// (case: object with Anchor = bottom on a breakable band)
// disable re-layout
cloneBand.SetUpdatingLayout(true);
cloneBand.Height = FreeSpace;
cloneBand.SetUpdatingLayout(false);
if (cloneBand.Break(breakTo))
{
AddToPreparedPages(cloneBand);
EndColumn();
ShowBand(breakTo, false);
}
else
{
if (cloneBand.FlagMustBreak)
{
// show band as is
breakTo.FlagCheckFreeSpace = false;
AddToPreparedPages(breakTo);
}
else
{
EndColumn();
ShowBand(breakTo, false);
}
}
}
finally
{
cloneBand.Dispose();
breakTo.Dispose();
}
}
