37 lines
1.6 KiB
C#
37 lines
1.6 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="IApplicationSettingsProvider.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.Configuration {
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using System.Security.Permissions;
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/// <devdoc>
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/// This interface is an extension to SettingsProvider that a provider can implement
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/// to support additional functionality for settings classes that derive from ApplicationSettingsBase.
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/// </devdoc>
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public interface IApplicationSettingsProvider {
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/// <devdoc>
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/// Retrieves the previous value of a given SettingsProperty. This is used in conjunction with Upgrade.
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/// </devdoc>
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[PermissionSet(SecurityAction.LinkDemand, Name="FullTrust")]
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SettingsPropertyValue GetPreviousVersion(SettingsContext context, SettingsProperty property);
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/// <devdoc>
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/// Resets all settings to their "default" values.
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/// </devdoc>
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[PermissionSet(SecurityAction.LinkDemand, Name="FullTrust")]
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void Reset(SettingsContext context);
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/// <devdoc>
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/// Indicates to the provider that the app has been upgraded. This is a chance for the provider to upgrade
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/// its stored settings as appropriate.
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/// </devdoc>
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[PermissionSet(SecurityAction.LinkDemand, Name="FullTrust")]
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void Upgrade(SettingsContext context, SettingsPropertyCollection properties);
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}
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}
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