'Declaration
 
Function ExcelSetConditionalFormat( _
   ByVal sheet As Short, _
   ByVal firstRows() As Integer, _
   ByVal lastRows() As Integer, _
   ByVal firstCols() As Integer, _
   ByVal lastCols() As Integer, _
   ByVal comparisonOperator As Byte, _
   ByVal xf As IExcelXF, _
   ByVal isFontSet As Boolean, _
   ByVal fontStyle As FontStyle, _
   ByVal fontHeight As Integer, _
   ByVal patternStyle As Integer, _
   ByVal firstCondition() As Byte, _
   ByVal lastCondition() As Byte _
) As Boolean