This documentation is archived and is not being maintained.

UInt64.MaxValue Field

Represents the largest possible value of UInt64. This field is constant.

This field is not CLS-compliant.  

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

Public Const MaxValue As ULong
Dim value As ULong

value = ULong.MaxValue

public static final UInt64 MaxValue
public const var MaxValue : ulong

The value of this constant is 18,446,744,073,709,551,615; that is, hexadecimal 0xFFFFFFFFFFFFFFFF.

No code example is currently available or this language may not be supported.
public class Temperature
    /** @property 
    public static long get_MinValue()
        return System.Convert.ToInt64(UInt64.MinValue);
    } //get_MinValue

    /** @property 
    public static long get_MaxValue()
        return System.Convert.ToInt64(UInt64.MaxValue);
    } //get_MaxValue

    // The value holder
    protected long mValue;

    /** @property 
    public long get_Value()
        return mValue;
    } //get_Value

    /** @property 
    public void set_Value(long value)
        mValue = value;
    } //set_Value
} //Temperature

public class Temperature {
    public static function get MinValue() : ulong {
        return UInt64.MinValue;

    public static function get MaxValue() : ulong {
        return UInt64.MaxValue;

    // The value holder
    protected var m_value : ulong ;

    public function get Value() : ulong {
        return m_value;
            public function set Value(value : ulong) {                        
        m_value = value;


Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, 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