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Convert.ToInt64 Method (UInt64)

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Converts the value of the specified 64-bit unsigned integer to an equivalent 64-bit signed integer.

This API is not CLS-compliant. 

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

Syntax

'Declaration
<CLSCompliantAttribute(False)> _
Public Shared Function ToInt64 ( _
    value As ULong _
) As Long

[CLSCompliantAttribute(false)]
public static long ToInt64(
    ulong value
)

Parameters

Return Value

Type: System.Int64
A 64-bit signed integer equivalent to the value of value.

Exceptions

Exception Condition
OverflowException

value is greater than Int64.MaxValue.

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.