Convert.ToUInt64 Method (Double)
Converts the value of the specified double-precision floating-point number to an equivalent 64-bit unsigned integer.
Assembly: mscorlib (in mscorlib.dll)
The double-precision floating-point number to convert.
Return ValueType: 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.
Available since 4.5
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Available since 8.1