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Convert.ToUInt64 Method (UInt16)

Converts the value of the specified 16-bit unsigned integer to the equivalent 64-bit unsigned integer.

This API is not CLS-compliant. 

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

[CLSCompliantAttribute(false)]
public static ulong ToUInt64(
	ushort value
)

Parameters

value
Type: System.UInt16

The 16-bit unsigned integer to convert.

Return Value

Type: System.UInt64
A 64-bit unsigned integer that is equivalent to value.

The following example converts each element in an array of unsigned 16-bit integers to an unsigned long integer.

ushort[] numbers = { UInt16.MinValue, 121, 340, UInt16.MaxValue };
ulong result;

foreach (ushort number in numbers)
{
   try {
      result = Convert.ToUInt64(number);
      Console.WriteLine("Converted the {0} value {1} to the {2} value {3}.",
                        number.GetType().Name, number,
                        result.GetType().Name, result);
   }
   catch (OverflowException) {
      Console.WriteLine("The {0} value {1} is outside the range of the UInt64 type.",
                        number.GetType().Name, number);
   }
}
// The example displays the following output: 
//    Converted the UInt16 value 0 to the UInt64 value 0. 
//    Converted the UInt16 value 121 to the UInt64 value 121. 
//    Converted the UInt16 value 340 to the UInt64 value 340. 
//    Converted the UInt16 value 65535 to the UInt64 value 65535.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8

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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