Convert.ToInt64 Method (Double)
Converts the value of the specified double-precision floating-point number to an equivalent 64-bit signed integer.
Assembly: mscorlib (in mscorlib.dll)
- Type: System.Double
The double-precision floating-point number to convert.
Return ValueType: System.Int64
value, rounded to the nearest 64-bit signed 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.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.