**Example.** This program calls Math.Round on the Double 123.45. With no options, it rounds this number to 123. With a second option of 1, we round to one decimal place. This yields the values 123.5 (for AwayFromZero) and 123.4 (for ToEven).

**AwayFromZero:** With a positive number, this option will round up—so 123.45 becomes 123.5.

**ToEven:** This will round to an even number—so 123.45 becomes 123.4 because 4 is an even number and 5 is not.

**VB.NET program that calls Math.Round**
Module Module1
Sub Main()*
' Call Math.Round on this Double.
*Dim before As Double = 123.45
Dim after1 As Double = __Math.Round__(before, 1, MidpointRounding.AwayFromZero)
Dim after2 As Double = Math.Round(before, 1, MidpointRounding.ToEven)
Dim after3 As Double = Math.Round(before)
Console.WriteLine(before)
Console.WriteLine(after1)
Console.WriteLine(after2)
Console.WriteLine(after3)
Console.WriteLine()*
' Use on this Decimal.
*Dim before2 As Decimal = 125.101
Dim after4 As Decimal = __Math.Round__(before2)
Dim after5 As Decimal = Math.Round(before2, 1)
Console.WriteLine(before2)
Console.WriteLine(after4)
Console.WriteLine(after5)
End Sub
End Module
**Output**
123.45
123.5
123.4
123
125.101
125
125.1

**Summary.** Rounding functionality in the .NET Framework is built-in and easy-to-use. It is not needed to develop custom Functions in most programs. We instead invoke the Math.Round Shared Function, with one to three arguments.