.NET Framework Class Library
Decimal..::.Add Method

Adds two specified Decimal values.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)
Syntax
Visual Basic (Declaration) 
Public Shared Function Add ( _
    d1 As Decimal, _
    d2 As Decimal _
) As Decimal
Visual Basic (Usage) 
Dim d1 As Decimal
Dim d2 As Decimal
Dim returnValue As Decimal

returnValue = Decimal.Add(d1, d2)
C# 
public static decimal Add(
    decimal d1,
    decimal d2
)
Visual C++ 
public:
static Decimal Add(
    Decimal d1, 
    Decimal d2
)
JScript 
public static function Add(
    d1 : decimal, 
    d2 : decimal
) : decimal

Parameters

d1
Type: System..::.Decimal
A Decimal.
d2
Type: System..::.Decimal
A Decimal.

Return Value

Type: System..::.Decimal
A Decimal value that is the sum of d1 and d2.
Exceptions
ExceptionCondition
OverflowException

The sum of d1 and d2 is less than MinValue or greater than MaxValue.

Remarks

The following code sample illustrates the use of Add :

Visual Basic 
Class PiggyBank

    Public Sub AddPenny()
        MyFortune = [Decimal].Add(MyFortune, 0.01D)
    End Sub

    Public Overrides Function ToString() As String
        Return MyFortune.ToString("C") + " in piggy bank"
    End Function

    Protected MyFortune As Decimal
End Class
C# 
    class PiggyBank {
        public void AddPenny() {
            MyFortune = Decimal.Add(MyFortune, .01m);
        }

        public override string ToString() {
            return MyFortune.ToString("C")+" in piggy bank";
        }

        protected decimal MyFortune;
    }
Visual C++ 
   public ref class PiggyBank
   {
   public:
      void AddPenny()
      {
         MyFortune = Decimal::Add( MyFortune, (Decimal).01 );
      }

      virtual System::String^ ToString() override
      {
         return MyFortune.ToString("C")+" in piggy bank";
      }

   protected:
      Decimal MyFortune;
   };
}
JScript 
    class PiggyBank {
        protected var MyFortune : Decimal;

        public function AddPenny() {
            MyFortune = Decimal.Add(MyFortune, 0.01);
        }

        public function ToString() : String {
            return MyFortune.ToString("C")+" in piggy bank";
        }
    }
Platforms

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
Version Information

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 3.0, 2.0, 1.0
See Also

Reference

Decimal Structure
Decimal Members
System Namespace
Subtract
Multiply
Divide
Tags :


Community Content

Thomas Lee
Add method sample using PowerShell
  
# add-decimal1.ps1
# Sample for MSDN
# Thomas Lee - tfl@psp.co.uk

# Create decimal numbers ($d1, $d2)
[decimal] $d1 = 12.1
[decimal] $d2 = 12.2

# Add - first using PowerShell, then using .NET
$d3 = $d1+$d2
$d4 = [system.decimal]::add($d1,$d2)

# print details
"`$d1 is of type: {0}" -f $d1.gettype().name
"`$d2 is of type: {0}" -f $d2.gettype().name
"`$d1 ({0}) plus `$d2 ({1}) equals: {2}" -f $d1,$d2,$d3
"`$d3 is of type: {0}" -f $d3.gettype().name
"`$d1 ({0}) plus `$d2 ({1}) (using .NET) equals: {2}" -f $d1,$d2,$d4
"`$d4 is of type: {0}" -f $d3.gettype().name#

This script produces the following output:

  
PS C:\foo> 
E:\PowerShellScriptLib\System.Decimal\add-decimal.ps1
$d1 is of type: Decimal
$d2 is of type: Decimal
$d1 (12.1) plus $d2 (12.2) equals: 24.3
$d3 is of type: Decimal
$d1 (12.1) plus $d2 (12.2) (using .NET) equals: 24.3
$d4 is of type: Decimal


Michael Freidgeim
Usually use + sign instead
Instead of using Add method it's simpler to use + sign ( Addition Operator http://msdn.microsoft.com/en-us/library/system.decimal.op_addition.aspx).
E.g.
MyFortune = Decimal.Add(MyFortune, .01m);
can be rewritten as
MyFortune += .01m;
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