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BigInteger Explicit Conversion (BigInteger to Decimal)

Defines an explicit conversion of a BigInteger object to a Decimal value.

Namespace:  System.Numerics
Assembly:  System.Numerics (in System.Numerics.dll)
public static explicit operator decimal (
	BigInteger value
)

Parameters

value
Type: System.Numerics.BigInteger

The value to convert to a Decimal.

Return Value

Type: System.Decimal
An object that contains the value of the value parameter.
ExceptionCondition
OverflowException

value is less than Decimal.MinValue.

-or-

value is greater than Decimal.MaxValue.

The overloads of the Explicit method define the types to which or from which a BigInteger object can be converted. Language compilers do not perform this conversion automatically because it can involve data loss. Instead, they perform the conversion only if a casting operator (in C#) or a conversion function (such as CType or CDec in Visual Basic) is used.

Because this operation defines a narrowing conversion, it can throw an OverflowException at run time if the BigInteger value is outside the range of the Decimal data type.

The following example illustrates the conversion of BigInteger to Decimal values. It also handles an OverflowException that is thrown because the BigInteger value is outside the range of the Decimal data type.

// BigInteger to Decimal conversion.
BigInteger goodDecimal = 761652543;
BigInteger badDecimal = (BigInteger) Decimal.MaxValue; 
badDecimal += BigInteger.One;

Decimal decimalFromBigInteger;

// Successful conversion using cast operator.
decimalFromBigInteger = (decimal) goodDecimal;
Console.WriteLine(decimalFromBigInteger);

// Handle conversion that should result in overflow. 
try
{
   decimalFromBigInteger = (decimal) badDecimal;
   Console.WriteLine(decimalFromBigInteger);
}
catch (OverflowException e)
{
   Console.WriteLine("Unable to convert {0}:\n   {1}", 
                     badDecimal, e.Message);
}
Console.WriteLine();

.NET Framework

Supported in: 4.5.1, 4.5, 4

.NET Framework Client Profile

Supported in: 4

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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