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Convert.ToUInt64 Method (Double)

.NET Framework 3.0

Other Versions

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

This method is not CLS-compliant.

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

Syntax

C++

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

/** @attribute CLSCompliantAttribute(false) */ 
public static UInt64 ToUInt64 (
	double value
)

JScript

CLSCompliantAttribute(false) 
public static function ToUInt64 (
	value : double
) : ulong

XAML

Not applicable.

Parameters

value: A double-precision floating point number.

Return Value

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 type	Condition
OverflowException	value is less than zero or greater than UInt64.MaxValue.

Platforms

Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

Version Information

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

XNA Framework

Supported in: 1.0

Reference

Convert Class
Convert Members
System Namespace
Double
System.Math.Round

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