Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web/UI/WebParts/ProviderConnectionPoint.cs

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+//------------------------------------------------------------------------------
+// <copyright file="ProviderConnectionPoint.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//------------------------------------------------------------------------------
+
+namespace System.Web.UI.WebControls.WebParts {
+
+    using System;
+    using System.Reflection;
+    using System.Web;
+    using System.Web.Util;
+
+    public class ProviderConnectionPoint : ConnectionPoint {
+        // Used by WebPartManager to verify the custom ConnectionPoint type has
+        // the correct constructor signature.
+        internal static readonly Type[] ConstructorTypes;
+
+        static ProviderConnectionPoint() {
+            ConstructorInfo constructor = typeof(ProviderConnectionPoint).GetConstructors()[0];
+            ConstructorTypes = WebPartUtil.GetTypesForConstructor(constructor);
+        }
+
+        public ProviderConnectionPoint(MethodInfo callbackMethod, Type interfaceType, Type controlType,
+                                       string displayName, string id, bool allowsMultipleConnections) : base(
+                                           callbackMethod, interfaceType, controlType, displayName, id, allowsMultipleConnections) {
+        }
+
+        /// <devdoc>
+        /// The secondary interfaces for this connection point.  An exception will be thrown
+        /// if primary interfaces are returned in this collection.
+        /// </devdoc>
+        public virtual ConnectionInterfaceCollection GetSecondaryInterfaces(Control control) {
+            return ConnectionInterfaceCollection.Empty;
+        }
+
+        public virtual object GetObject(Control control) {
+            if (control == null) {
+                throw new ArgumentNullException("control");
+            }
+
+            return CallbackMethod.Invoke(control, null);
+        }
+    }
+}
+