Convert.ToUInt64 Method (Object)

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

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

This API is not CLS-compliant.

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

Syntax

'Declaration
<CLSCompliantAttribute(False)> _
Public Shared Function ToUInt64 ( _
    value As Object _
) As ULong

[CLSCompliantAttribute(false)]
public static ulong ToUInt64(
    Object value
)

value
Type: System.Object
An Object that implements the IConvertible interface or nulla null reference (Nothing in Visual Basic).

Type: System.UInt64
A 64-bit unsigned integer equivalent to the value of value, or zero if value is nulla null reference (Nothing in Visual Basic).

Exception	Condition
InvalidCastException	value does not implement IConvertible.

The return value is the result of invoking the IConvertible.ToUInt64 method of the underlying type of value.

Supported in: 5, 4, 3

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

Supported in: Xbox 360, Windows Phone OS 7.0

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