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Convert.ToUInt64 Method (Single)

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Converts the value of the specified single-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

'Declaration
<CLSCompliantAttribute(False)> _
Public Shared Function ToUInt64 ( _
    value As Single _
) As ULong

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

Parameters

  • value
    Type: System.Single
    A single-precision floating point number.

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

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.