ToUInt64 Method (Double)

Convert.ToUInt64 Method (Double)


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

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

static member ToUInt64 : 
        value:float -> uint64


Type: System.Double

The double-precision floating-point number to convert.

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.

Exception Condition

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

The following example attempts to convert each element in an array of Double values to an unsigned long integer.

No code example is currently available or this language may not be supported.

Universal Windows Platform
Available since 4.5
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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