ExcelApplication xla = new ExcelApplication();
          Workbook wb = xla.Create();
          ConditionalFormat condFmt = wb.CreateConditionalFormat();
          Condition cond =
               condFmt.CreateCondition(
               Condition.Comparison.CellValueBetween,
               "=100",
               "=150");
          cond.Formula2 = "=200";
        

          Dim xla As New ExcelApplication()
          Dim wb As Workbook = xla.Create()
          Dim condFmt As ConditionalFormat = wb.CreateConditionalFormat()
          Dim cond As Condition = _
               condFmt.CreateCondition( _
               Condition.Comparison.CellValueBetween, _
               "=100", _
               "=150")
          cond.Formula2 = "=200"