Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/System.Web/ModelBinding/ControlAttribute.cs

@@ -0,0 +1,46 @@
+using System.Diagnostics.CodeAnalysis;
+namespace System.Web.ModelBinding {
+
+    [AttributeUsage(AttributeTargets.Parameter, Inherited = false, AllowMultiple = false)]
+    public sealed class ControlAttribute : ValueProviderSourceAttribute {
+
+        [SuppressMessage("Microsoft.Naming", "CA1709:IdentifiersShouldBeCasedCorrectly", MessageId = "ID", Justification = "Legacy way of referring to ControlID.")]
+        public string ControlID {
+            get;
+            private set;
+        }
+
+        public string PropertyName {
+            get;
+            private set;
+        }
+
+        public ControlAttribute()
+            : this(null, null) {
+        }
+
+
+        [SuppressMessage("Microsoft.Naming", "CA1709:IdentifiersShouldBeCasedCorrectly", MessageId = "ID", Justification = "Legacy way of referring to ControlID.")]
+        public ControlAttribute(string controlID)
+            : this(controlID, null) {
+        }
+
+        [SuppressMessage("Microsoft.Naming", "CA1709:IdentifiersShouldBeCasedCorrectly", MessageId = "ID", Justification = "Legacy way of referring to ControlID.")]
+        public ControlAttribute(string controlID, string propertyName) {
+            ControlID = controlID;
+            PropertyName = propertyName;
+        }
+
+        public override IValueProvider GetValueProvider(ModelBindingExecutionContext modelBindingExecutionContext) {
+            if (modelBindingExecutionContext == null) {
+                throw new ArgumentNullException("modelBindingExecutionContext");
+            }
+
+            return new ControlValueProvider(modelBindingExecutionContext, PropertyName);
+        }
+
+        public override string GetModelName() {
+            return ControlID;
+        }
+    }
+}