Adding automation peer for ComboBox #647

Fluent.Ribbon/Automation/Peers/ButtonAutomationPeer.cs

@@ -1,7 +1,7 @@
 namespace Fluent.Automation.Peers
 {
     using JetBrains.Annotations;
-    
+
     /// <inheritdoc />
     public class ButtonAutomationPeer : System.Windows.Automation.Peers.ButtonAutomationPeer
     {

Fluent.Ribbon/Automation/Peers/ComboBoxAutomationPeer.cs

@@ -0,0 +1,32 @@
+namespace Fluent.Automation.Peers
+{
+    using JetBrains.Annotations;
+
+    /// <inheritdoc />
+    public class ComboBoxAutomationPeer : System.Windows.Automation.Peers.ComboBoxAutomationPeer
+    {
+        /// <summary>Initializes a new instance of the <see cref="T:ComboBoxAutomationPeer" /> class.</summary>
+        /// <param name="owner">The element associated with this automation peer.</param>
+        public ComboBoxAutomationPeer([NotNull] ComboBox owner)
+            : base(owner)
+        {
+        }
+
+        /// <inheritdoc />
+        protected override string GetNameCore()
+        {
+            var text = base.GetNameCore();
+            var owner = (IHeaderedControl)this.Owner;
+
+            if (string.IsNullOrEmpty(text))
+            {
+                if (owner.Header is string headerString)
+                {
+                    return headerString;
+                }
+            }
+
+            return text;
+        }
+    }
+}

Fluent.Ribbon/Controls/ComboBox.cs

@@ -3,6 +3,7 @@ namespace Fluent
 {
     using System;
     using System.Windows;
+    using System.Windows.Automation.Peers;
     using System.Windows.Controls;
     using System.Windows.Controls.Primitives;
     using System.Windows.Data;
@@ -846,5 +847,11 @@ void ILogicalChildSupport.RemoveLogicalChild(object child)
         {
             this.RemoveLogicalChild(child);
         }
+
+        /// <inheritdoc />
+        protected override AutomationPeer OnCreateAutomationPeer()
+        {
+            return new Fluent.Automation.Peers.ComboBoxAutomationPeer(this);
+        }
     }
 }