添加项目文件。

Dragablz/Dragablz/ContainerCustomisations.cs

@@ -0,0 +1,34 @@
+using System;
+using System.Windows;
+
+namespace Dragablz
+{
+    internal class ContainerCustomisations
+    {
+        private readonly Func<DragablzItem> _getContainerForItemOverride;
+        private readonly Action<DependencyObject, object> _prepareContainerForItemOverride;
+        private readonly Action<DependencyObject, object> _clearingContainerForItemOverride;
+
+        public ContainerCustomisations(Func<DragablzItem> getContainerForItemOverride = null, Action<DependencyObject, object> prepareContainerForItemOverride = null, Action<DependencyObject, object> clearingContainerForItemOverride = null)
+        {
+            _getContainerForItemOverride = getContainerForItemOverride;
+            _prepareContainerForItemOverride = prepareContainerForItemOverride;
+            _clearingContainerForItemOverride = clearingContainerForItemOverride;
+        }
+
+        public Func<DragablzItem> GetContainerForItemOverride
+        {
+            get { return _getContainerForItemOverride; }
+        }
+
+        public Action<DependencyObject, object> PrepareContainerForItemOverride
+        {
+            get { return _prepareContainerForItemOverride; }
+        }
+
+        public Action<DependencyObject, object> ClearingContainerForItemOverride
+        {
+            get { return _clearingContainerForItemOverride; }
+        }
+    }
+}