31 lines
881 B
C#
31 lines
881 B
C#
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using System;
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using System.Windows;
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using System.Windows.Data;
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namespace ValidationLibrary
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{
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public class ValidationBinding : BindingDecoratorBase
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{
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public ValidationBinding() {}
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public ValidationBinding(PropertyPath path, UpdateSourceTrigger trigger, IValueConverter converter)
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{
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Path = path;
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UpdateSourceTrigger = trigger;
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Converter = converter;
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}
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public override object ProvideValue(IServiceProvider pProvider)
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{
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base.NotifyOnValidationError = true;
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var lValidator = new AttributeValidator();
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base.ValidationRules.Add(lValidator);
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object lResult = base.ProvideValue(pProvider);
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lValidator.ExpressionToValidate = lResult as BindingExpression;
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return lResult;
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}
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}
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}
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