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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
/** @attribute AttributeUsageAttribute(AttributeTargets.Property) */ 
public final class LongValidatorAttribute extends ConfigurationValidatorAttribute
AttributeUsageAttribute(AttributeTargets.Property) 
public final class LongValidatorAttribute extends ConfigurationValidatorAttribute
Not applicable.

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;
    }
}

System.Object
   System.Attribute
     System.Configuration.ConfigurationValidatorAttribute
      System.Configuration.LongValidatorAttribute

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 98, Windows Server 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 Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0

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