Init commit

Infrastructure/EventTriggerBase.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Windows;
+using EventTrigger = System.Windows.Interactivity.EventTrigger;
+
+namespace StructureHelper
+{
+    public class EventTriggerBase<T> : EventTrigger where T : RoutedEventArgs
+    {
+        readonly Predicate<T> eventTriggerPredicate;
+
+        public EventTriggerBase(Predicate<T> eventTriggerPredicate)
+        {
+            this.eventTriggerPredicate = eventTriggerPredicate;
+        }
+
+        protected override void OnEvent(EventArgs eventArgs)
+        {
+            if (eventArgs is T e && eventTriggerPredicate(e))
+            {
+                base.OnEvent(eventArgs);
+                e.Handled = true;
+            }
+        }
+    }
+}