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Optimize setting the value of a cell if the merge state of the cell is known in advance #2303

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Optimize setting the value of a cell if the merge state of the cell is known in advance #2303

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Added 'IsInferiorMergedCellUserDefined' for prevent calculating it
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Artemy Gordon committed Feb 27, 2024
commit 13f289424c661ece4b6cdff4c1c1633ea5fd1995
7 changes: 7 additions & 0 deletions ClosedXML/Excel/Cells/XLCell.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -75,6 +75,8 @@ internal XLCell(XLWorksheet worksheet, XLSheetPoint point) : this(worksheet, poi

public XLAddress Address => new(Worksheet, _rowNumber, _columnNumber, false, false);

public bool? IsInferiorMergedCellUserDefined { get; set; }

internal XLSheetPoint SheetPoint => new(_rowNumber, _columnNumber);

#region Slice fields
Expand Down Expand Up @@ -1997,6 +1999,11 @@ static bool IsHorizontalBorderBlank(XLWorksheet sheet, int borderRow, int border

internal bool IsInferiorMergedCell()
{
if (this.IsInferiorMergedCellUserDefined.HasValue)
{
return this.IsInferiorMergedCellUserDefined.Value;
}

return this.IsMerged() && !this.Address.Equals(this.MergedRange().RangeAddress.FirstAddress);
}

Expand Down