62 lines
2.1 KiB
C#
62 lines
2.1 KiB
C#
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//------------------------------------------------------------------------------
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// <copyright file="UrlPropertyAttribute.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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namespace System.Web.UI {
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using System;
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using System.ComponentModel;
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using System.Web.Util;
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// An UrlPropertyAttribute metadata attribute can be applied to string
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// properties that contain URL values.
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// This can be used to identify URLs which allows design-time functionality and runtime
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// functionality to do interesting things with the property values.
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[AttributeUsage(AttributeTargets.Property)]
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public sealed class UrlPropertyAttribute : Attribute {
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private string _filter;
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// Used to mark a property as an URL.
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public UrlPropertyAttribute() : this("*.*") {
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}
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// Used to mark a property as an URL. In addition, the type of files allowed
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// can be specified. This can be used at design-time to customize the URL picker.
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public UrlPropertyAttribute(string filter) {
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if(filter == null) {
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_filter = "*.*";
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}
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else {
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_filter = filter;
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}
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}
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// The file filter associated with the URL property. This takes
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// the form of a file filter string typically used with Open File
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// dialogs. The default is *.*, so all file types can be chosen.
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public string Filter {
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get {
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return _filter;
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}
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}
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public override int GetHashCode() {
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return Filter.GetHashCode();
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}
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public override bool Equals(object obj) {
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if (obj == this) {
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return true;
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}
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UrlPropertyAttribute other = obj as UrlPropertyAttribute;
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if (other != null) {
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return Filter.Equals(other.Filter);
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}
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return false;
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}
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}
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}
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