Creates a new ConditionalFormat object that can be set on Cells, Areas and Ranges.

 public ConditionalFormat CreateConditionalFormat()
Public Function CreateConditionalFormat() As ConditionalFormat

A ConditionalFormat object representing a conditional format that Excel will apply to a cell or group of cells if a specified condition is met.

A Cell, Area or Range object holds its own copy of the ConditionalFormat when set; changes made to a ConditionalFormat after it is set will not affect the copies.

wb.CreateConditionalFormat();
wb.CreateConditionalFormat()