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Convert.ToInt64 Method (Object)

Converts the value of the specified Object to a 64-bit signed integer.

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

public static long ToInt64 (
	Object value
)
public static long ToInt64 (
	Object value
)
public static function ToInt64 (
	value : Object
) : long

Parameters

value

An Object that implements the IConvertible interface or a null reference (Nothing in Visual Basic).

Return Value

A 64-bit signed integer equivalent to the value of value, or zero if value is a null reference (Nothing in Visual Basic).

Exception typeCondition

InvalidCastException

value does not implement IConvertible.

The return value is the result of invoking the IConvertible.ToInt64 method of the underlying type of value.

Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

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