Class ConditionalFormattingCollection

public class ConditionalFormattingCollection : CollectionBase<formatconditioncollection>, IList<formatconditioncollection>, ICollection<formatconditioncollection>, IEnumerable<formatconditioncollection>, ICollection, IEnumerable

//إنشاء كائن Workbook
Workbook workbook = new Workbook();
Worksheet sheet = workbook.Worksheets[0];

//الحصول على التنسيق الشرطي
ConditionalFormattingCollection cformattings = sheet.ConditionalFormattings;
//إضافة تنسيق شرطي فارغ
int index = cformattings.Add();
//الحصول على التنسيق الشرطي المضاف حديثًا
FormatConditionCollection fcs = cformattings[index];

//تعيين نطاق التنسيق الشرطي.
CellArea ca = new CellArea();
ca.StartRow = 0;
ca.EndRow = 0;
ca.StartColumn = 0;
ca.EndColumn = 0;
fcs.AddArea(ca);
ca = new CellArea();
ca.StartRow = 1;
ca.EndRow = 1;
ca.StartColumn = 1;
ca.EndColumn = 1;
fcs.AddArea(ca);

//إضافة شرط.
int conditionIndex = fcs.AddCondition(FormatConditionType.CellValue, OperatorType.Between, "=A2", "100");
//إضافة شرط.
int conditionIndex2 = fcs.AddCondition(FormatConditionType.CellValue, OperatorType.Between, "50", "100");
//تعيين لون الخلفية.
FormatCondition fc = fcs[conditionIndex];
fc.Style.BackgroundColor = Color.Red;
//حفظ ملف Excel
workbook.Save("output.xls");

'إنشاء كائن Workbook
DDim workbook As Workbook = New Workbook()
Dim sheet As Worksheet = workbook.Worksheets(0)
'الحصول على التنسيق الشرطي
Dim cformattings As ConditionalFormattingCollection = sheet.ConditionalFormattings

'إضافة تنسيق شرطي فارغ
Dim index As Integer = cformattings.Add()
'الحصول على التنسيق الشرطي المضاف حديثًا
Dim fcs As FormatConditionCollection = cformattings(index)
'تعيين نطاق التنسيق الشرطي.
Dim ca As New CellArea()
ca.StartRow = 0
ca.EndRow = 0
ca.StartColumn = 0
ca.EndColumn = 0
fcs.AddArea(ca)
ca = New CellArea()
ca.StartRow = 1
ca.EndRow = 1
ca.StartColumn = 1
ca.EndColumn = 1
fcs.AddArea(ca)

'إضافة شرط.
Dim conditionIndex As Integer = fcs.AddCondition(FormatConditionType.CellValue, OperatorType.Between, "=A2", "100")
'إضافة شرط.
Dim conditionIndex2 As Integer = fcs.AddCondition(FormatConditionType.CellValue, OperatorType.Between, "50", "100")
'تعيين لون الخلفية.
Dim fc As FormatCondition = fcs(conditionIndex)
fc.Style.BackgroundColor = Color.Red
'حفظ ملف Excel
workbook.Save("output.xls")

public FormatConditionCollection this[int index] { get; }

public int Add()

public void Copy(ConditionalFormattingCollection cfs)

public void RemoveArea(int startRow, int startColumn, int totalRows, int totalColumns)