Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Configuration / System / Configuration / IntegerValidator.cs / 1305376 / IntegerValidator.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- using System; using System.Collections; using System.IO; using System.Reflection; using System.Security.Permissions; using System.Xml; using System.Collections.Specialized; using System.Globalization; using System.ComponentModel; using System.Security; using System.Text; using System.Text.RegularExpressions; namespace System.Configuration { // // Type validators: Unsealed so users can derive to extend the funcionality without repeating it // ============================================================================================= public class IntegerValidator : ConfigurationValidatorBase { private enum ValidationFlags { None = 0x0000, ExclusiveRange = 0x0001, // If set the value must be outside of the range instead of inside } private ValidationFlags _flags = ValidationFlags.None; private int _minValue = int.MinValue; private int _maxValue = int.MaxValue; private int _resolution = 1; public IntegerValidator(int minValue, int maxValue) : this(minValue, maxValue, false, 1) { } public IntegerValidator(int minValue, int maxValue, bool rangeIsExclusive) : this(minValue, maxValue, rangeIsExclusive, 1) { } public IntegerValidator(int minValue, int maxValue, bool rangeIsExclusive, int resolution) { if (resolution <= 0) { throw new ArgumentOutOfRangeException("resolution"); } if (minValue > maxValue) { throw new ArgumentOutOfRangeException("minValue", SR.GetString(SR.Validator_min_greater_than_max)); } _minValue = minValue; _maxValue = maxValue; _resolution = resolution; _flags = rangeIsExclusive ? ValidationFlags.ExclusiveRange : ValidationFlags.None; } public override bool CanValidate(Type type) { return (type == typeof(int)); } public override void Validate(object value) { ValidatorUtils.HelperParamValidation(value, typeof(int)); ValidatorUtils.ValidateScalar((int)value, _minValue, _maxValue, _resolution, _flags == ValidationFlags.ExclusiveRange); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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