rule = coloring.AddContinuousColorRule()
rule.IntervalMode = Enum.Parse(clr.GetClrType(IntervalMode),jsonParam['intervalMode'])
rule.Breakpoints.Clear()
conditionValue = createConditionalValue('MinValue', None)
color = Color.FromArgb(255,207,219,255)
point = rule.Breakpoints.Add(conditionValue, color)
conditionValue = createConditionalValue('MaxValue', None)
color = Color.FromArgb(255,35,65,159)
point = rule.Breakpoints.Add(conditionValue, color)