Convert.ToUInt64 Method (Double)

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Converts the value of the specified double-precision floating point number to an equivalent 64-bit unsigned integer.

This API is not CLS-compliant.

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

Syntax

<CLSCompliantAttribute(False)> _
Public Shared Function ToUInt64 ( _
    value As Double _
) As ULong
[CLSCompliantAttribute(false)]
public static ulong ToUInt64(
    double value
)

Parameters

Return Value

Type: System..::.UInt64
value rounded to the nearest 64-bit unsigned integer. If value is halfway between two whole numbers, the even number is returned; that is, 4.5 is converted to 4, and 5.5 is converted to 6.

Exceptions

Exception Condition
OverflowException

value is less than zero or greater than UInt64..::.MaxValue.

Version Information

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Platforms

Windows Phone

See Also

Reference

Convert Class

ToUInt64 Overload

System Namespace

Double

Math..::.Round