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LongValidatorAttribute Class

Declaratively instructs the .NET Framework to perform long-integer validation on a configuration property. This class cannot be inherited.

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

[AttributeUsageAttribute(AttributeTargets.Property)]
public sealed class LongValidatorAttribute : ConfigurationValidatorAttribute

You use the LongValidatorAttribute attribute to decorate a configuration property. This is to instruct the .NET Framework to validate the property using a LongValidator object and pass to it the value of the decorating parameters.

You can apply the LongValidatorAttribute attribute to property types only.

The following example shows how to decorate the properties of a custom ConfigurationSection object using the LongValidatorAttribute attribute.

[ConfigurationProperty("maxUsers", DefaultValue = (long)10000,
    IsRequired = false)]
[LongValidator(MinValue = 1, MaxValue = 10000000,
    ExcludeRange = false)]
public long MaxUsers
{
    get
    {
        return (long)this["maxUsers"];
    }
    set
    {
        this["maxUsers"] = value;
    }
}

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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

.NET Framework

Supported in: 3.5, 3.0, 2.0

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