'宣言 Public Property LeftBorderColor As Nullable(Of Color)
public Nullable<Color> LeftBorderColor {get; set;}
境界色が非デフォルト値に設定され、LeftBorderStyle が Default に設定されている場合、Thin に解決されます。
Dim groupFormatSettings As New FormatSettings() groupFormatSettings.BorderStyle = Infragistics.Excel.CellBorderLineStyle.Double groupFormatSettings.BottomBorderColor = Colors.Red groupFormatSettings.FontStrikeout = Infragistics.Excel.ExcelDefaultableBoolean.True groupFormatSettings.FontStyle = FontStyles.Italic groupFormatSettings.FontUnderlineStyle = Infragistics.Excel.FontUnderlineStyle.Double groupFormatSettings.LeftBorderColor = Colors.Green groupFormatSettings.RightBorderColor = Colors.Blue groupFormatSettings.TopBorderColor = Colors.Purple groupFormatSettings.VerticalAlignment = Infragistics.Excel.VerticalCellAlignment.Center DataPresenterExcelExporter.SetExcelGroupFormatSettings(Me.Grid.FieldSettings, groupFormatSettings)
FormatSettings groupFormatSettings = new FormatSettings(); groupFormatSettings.BorderStyle = Infragistics.Excel.CellBorderLineStyle.Double; groupFormatSettings.BottomBorderColor = Colors.Red; groupFormatSettings.FontStrikeout = Infragistics.Excel.ExcelDefaultableBoolean.True; groupFormatSettings.FontStyle = FontStyles.Italic; groupFormatSettings.FontUnderlineStyle = Infragistics.Excel.FontUnderlineStyle.Double; groupFormatSettings.LeftBorderColor = Colors.Green; groupFormatSettings.RightBorderColor = Colors.Blue; groupFormatSettings.TopBorderColor = Colors.Purple; groupFormatSettings.VerticalAlignment = Infragistics.Excel.VerticalCellAlignment.Center; DataPresenterExcelExporter.SetExcelGroupFormatSettings(this.Grid.FieldSettings, groupFormatSettings);