Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

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

@@ -0,0 +1,84 @@
+//------------------------------------------------------------------------------
+// <copyright file="ComponentChangedEvent.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>                                                                
+//------------------------------------------------------------------------------
+
+/*
+ */
+namespace System.ComponentModel.Design {
+    using Microsoft.Win32;
+    using System;
+    using System.ComponentModel;
+    using System.Diagnostics;
+    using System.Security.Permissions;
+
+    /// <devdoc>
+    /// <para>Provides data for the <see cref='System.ComponentModel.Design.IComponentChangeService.ComponentChanged'/> event.</para>
+    /// </devdoc>
+    [HostProtection(SharedState = true)]
+    [System.Runtime.InteropServices.ComVisible(true)]
+    [System.Security.Permissions.PermissionSetAttribute(System.Security.Permissions.SecurityAction.LinkDemand, Name="FullTrust")]
+    public sealed class ComponentChangedEventArgs : EventArgs {
+
+        private object component;
+        private MemberDescriptor member;
+        private object oldValue;
+        private object newValue;
+
+        /// <devdoc>
+        ///    <para>
+        ///       Gets or sets the component that is the cause of this event.      
+        ///    </para>
+        /// </devdoc>
+        public object Component {
+            get {
+                return component;
+            }
+        }
+
+        /// <devdoc>
+        ///    <para>
+        ///       Gets or sets the member that is about to change.      
+        ///    </para>
+        /// </devdoc>
+        public MemberDescriptor Member {
+            get {
+                return member;
+            }
+        }
+
+        /// <devdoc>
+        ///    <para>
+        ///       Gets or sets the new value of the changed member.
+        ///    </para>
+        /// </devdoc>
+        public object NewValue {
+            get {
+                return newValue;
+            }
+        }
+
+        /// <devdoc>
+        ///    <para>
+        ///       Gets or sets the old value of the changed member.      
+        ///    </para>
+        /// </devdoc>
+        public object OldValue {
+            get {
+                return oldValue;
+            }
+        }
+
+        /// <devdoc>
+        /// <para>Initializes a new instance of the <see cref='System.ComponentModel.Design.ComponentChangedEventArgs'/> class.</para>
+        /// </devdoc>
+        public ComponentChangedEventArgs(object component, MemberDescriptor member, object oldValue, object newValue) {
+            this.component = component;
+            this.member = member;
+            this.oldValue = oldValue;
+            this.newValue = newValue;
+        }
+    }
+
+}