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Convert.ToInt64 Method (Double)

.NET Framework 1.1

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

[Visual Basic]
Overloads Public Shared Function ToInt64( _
   ByVal value As Double _
) As Long
public static long ToInt64(
 double value
public: static __int64 ToInt64(
 double value
public static function ToInt64(
   value : double
) : long;


A double-precision floating point number.

Return Value

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.


Exception Type Condition
OverflowException value is greater than Int64.MaxValue or less than Int64.MinValue.


Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family, .NET Compact Framework, Common Language Infrastructure (CLI) Standard

See Also

Convert Class | Convert Members | System Namespace | Convert.ToInt64 Overload List | Double