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MaxValue Field

# Double.MaxValue Field

.NET Framework 4.6 and 4.5

Represents the largest possible value of a Double. This field is constant.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)

## Syntax

```public const double MaxValue
```

## Remarks

The value of this constant is positive 1.7976931348623157E+308.

The result of an operation that exceeds Double.MaxValue is Double.PositiveInfinity. In the following example, Double.PositiveInfinity results from addition, multiplication, and exponentiation operations when the result exceeds Double.MaxValue.

```using System;

public class Example
{
public static void Main()
{
double result1 = 7.997e307 + 9.985e307;
Console.WriteLine("{0} (Positive Infinity: {1})",
result1, Double.IsPositiveInfinity(result1));

double result2 = 1.5935e250 * 7.948e110;
Console.WriteLine("{0} (Positive Infinity: {1})",
result2, Double.IsPositiveInfinity(result2));

double result3 = Math.Pow(1.256e100, 1.34e20);
Console.WriteLine("{0} (Positive Infinity: {1})",
result3, Double.IsPositiveInfinity(result3));
}
}
// The example displays the following output:
//    Infinity (Positive Infinity: True)
//    Infinity (Positive Infinity: True)
//    Infinity (Positive Infinity: True)
```

## Examples

The following code example illustrates the use of MaxValue:

```	public class Temperature {
public static double MinValue {
get {
return Double.MinValue;
}
}

public static double MaxValue {
get {
return Double.MaxValue;
}
}

// The value holder
protected double m_value;

public double Value {
get {
return m_value;
}
set {
m_value = value;
}
}

public double Celsius {
get {
return (m_value-32.0)/1.8;
}
set {
m_value = 1.8*value+32.0;
}
}
}
```

## Version Information

#### .NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

#### .NET Framework Client Profile

Supported in: 4, 3.5 SP1

#### XNA Framework

Supported in: 3.0, 2.0, 1.0

#### .NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

#### Portable Class Library

Supported in: Portable Class Library