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Math.BigMul Method

Produces the full product of two 32-bit numbers.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)
'Declaration
Public Shared Function BigMul ( _
	a As Integer, _
	b As Integer _
) As Long
'Usage
Dim a As Integer 
Dim b As Integer 
Dim returnValue As Long 

returnValue = Math.BigMul(a, b)

Parameters

a
Type: System.Int32

The first Int32 to multiply.

b
Type: System.Int32

The second Int32 to multiply.

Return Value

Type: System.Int64
The Int64 containing the product of the specified numbers.

The following example demonstrates the use of the BigMul method to calculate the product of two integer values.

' This example demonstrates Math.BigMul() 
Imports System

Class Sample
   Public Shared Sub Main()
      Dim int1 As Integer = Int32.MaxValue
      Dim int2 As Integer = Int32.MaxValue
      Dim longResult As Long
      '
      longResult = Math.BigMul(int1, int2)
      Console.WriteLine("Calculate the product of two Int32 values:")
      Console.WriteLine("{0} * {1} = {2}", int1, int2, longResult)
   End Sub 'Main
End Class 'Sample

'This example produces the following results: 
'Calculate the product of two Int32 values: 
'2147483647 * 2147483647 = 4611686014132420609 
'

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

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.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1
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