Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Data/System/Data/DataTablePropertyDescriptor.cs

@@ -0,0 +1,78 @@
+//------------------------------------------------------------------------------
+// <copyright file="DataTablePropertyDescriptor.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>                                                                
+// <owner current="true" primary="true">[....]</owner>
+// <owner current="true" primary="false">[....]</owner>
+// <owner current="false" primary="false">[....]</owner>
+//------------------------------------------------------------------------------
+
+namespace System.Data {
+    using System;
+    using System.ComponentModel;
+
+    internal sealed class DataTablePropertyDescriptor : PropertyDescriptor {
+
+        DataTable table;
+
+        public DataTable Table {
+            get {
+                return table;
+            }
+        }
+
+        internal DataTablePropertyDescriptor(DataTable dataTable) : base(dataTable.TableName, null) {
+            this.table = dataTable;    
+        }
+
+        public override Type ComponentType {
+            get {
+                return typeof(DataRowView);
+            }
+        }
+
+        public override bool IsReadOnly {
+            get {
+                return false;
+            }
+        }
+
+        public override Type PropertyType {
+            get {
+                return typeof(IBindingList);
+            }
+        }
+
+        public override bool Equals(object other) {
+            if (other is DataTablePropertyDescriptor) {
+                DataTablePropertyDescriptor descriptor = (DataTablePropertyDescriptor) other;
+                return(descriptor.Table == Table);
+            }
+            return false;
+        }
+
+        public override Int32 GetHashCode() {
+            return Table.GetHashCode();
+        }
+
+        public override bool CanResetValue(object component) {
+            return false;
+        }
+
+        public override object GetValue(object component) {
+            DataViewManagerListItemTypeDescriptor dataViewManagerListItem = (DataViewManagerListItemTypeDescriptor) component;
+            return dataViewManagerListItem.GetDataView(table);
+        }
+
+        public override void ResetValue(object component) {
+        }
+
+        public override void SetValue(object component, object value) {
+        }
+
+        public override bool ShouldSerializeValue(object component) {
+            return false;
+        }
+    }   
+}
+