Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System/compmod/system/componentmodel/design/IDictionaryService.cs

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+//------------------------------------------------------------------------------
+// <copyright file="IDictionaryService.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>                                                                
+//------------------------------------------------------------------------------
+
+/*
+ */
+namespace System.ComponentModel.Design {
+    using System.ComponentModel;
+
+    using System.Diagnostics;
+    
+    using System;
+
+    /// <devdoc>
+    ///    <para>Provides a generic dictionary service that a designer can use
+    ///       to store user-defined data on the site.</para>
+    /// </devdoc>
+    public interface IDictionaryService {
+    
+        /// <devdoc>
+        ///    <para>
+        ///       Gets the key corresponding to the specified value.
+        ///    </para>
+        /// </devdoc>
+        object GetKey(object value);
+        
+        /// <devdoc>
+        ///    <para>
+        ///       Gets the value corresponding to the specified key.
+        ///    </para>
+        /// </devdoc>
+        object GetValue(object key);
+    
+        /// <devdoc>
+        ///    <para> 
+        ///       Sets the specified key-value pair.</para>
+        /// </devdoc>
+        void SetValue(object key, object value);
+    }
+}