Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/System.Activities/System/Activities/Validation/AddValidationError.cs

@@ -0,0 +1,74 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//-----------------------------------------------------------------------------
+
+namespace System.Activities.Validation
+{
+    using System.Collections.ObjectModel;
+    using System.ComponentModel;
+
+    public sealed class AddValidationError : NativeActivity
+    {
+        public AddValidationError()
+        {
+        }
+
+        public InArgument<string> Message
+        {
+            get;
+            set;
+        }
+
+        [DefaultValue(null)]
+        public InArgument<bool> IsWarning
+        {
+            get;
+            set;
+        }
+
+        [DefaultValue(null)]
+        public InArgument<string> PropertyName
+        {
+            get;
+            set;
+        }
+
+        protected override void CacheMetadata(NativeActivityMetadata metadata)
+        {
+            Collection<RuntimeArgument> arguments = new Collection<RuntimeArgument>();
+
+            RuntimeArgument messageArgument = new RuntimeArgument("Message", typeof(string), ArgumentDirection.In);
+            metadata.Bind(this.Message, messageArgument);
+            arguments.Add(messageArgument);
+
+            RuntimeArgument isWarningArgument = new RuntimeArgument("IsWarning", typeof(bool), ArgumentDirection.In, false);
+            metadata.Bind(this.IsWarning, isWarningArgument);
+            arguments.Add(isWarningArgument);
+            
+            RuntimeArgument propertyNameArgument = new RuntimeArgument("PropertyName", typeof(string), ArgumentDirection.In, false);
+            metadata.Bind(this.PropertyName, propertyNameArgument);
+            arguments.Add(propertyNameArgument);
+
+            metadata.SetArgumentsCollection(arguments);
+        }
+
+        protected override void Execute(NativeActivityContext context)
+        {
+            bool isWarning = false;
+            string propertyName = string.Empty;
+            string errorCode = string.Empty;
+            
+            if (this.IsWarning != null)
+            {
+                isWarning = this.IsWarning.Get(context);
+            }
+            
+            if (this.PropertyName != null)
+            {
+                propertyName = this.PropertyName.Get(context);            
+            }
+            
+            Constraint.AddValidationError(context, new ValidationError(this.Message.Get(context), isWarning, propertyName));
+        }
+    }
+}