bugfix : Collection Instance == 0 fixes: Animation1 Unit Test

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.XamlDom/Project/XamlParser.cs

@@ -22,6 +22,7 @@ using System.ComponentModel;
 using System.Globalization;
 using System.Diagnostics;
 using System.IO;
+using System.Linq;
 using System.Reflection;
 using System.Windows;
 using System.Windows.Interop;
@@ -327,6 +328,21 @@ namespace ICSharpCode.WpfDesign.XamlDom
 				}
 			}
 
+		    if (collectionType != null && collectionInstance == null && elementChildNodes.Count() == 1)
+            {
+                var firstChild = elementChildNodes.First() as XmlElement;
+                if (ObjectChildElementIsCollectionInstance(firstChild, collectionType))
+                {
+                    collectionInstance = ParseObject(firstChild);
+                    collectionProperty.PropertyValue = (XamlPropertyValue) collectionInstance;
+                }
+                else
+                {
+                    throw new XamlLoadException("Collection Instance is null");
+                }
+            }
+			else
+            {
 		        foreach (XmlNode childNode in elementChildNodes) {
 			        XmlElement childElement = childNode as XmlElement;
 			        if (childElement != null) {
@@ -357,6 +373,7 @@ namespace ICSharpCode.WpfDesign.XamlDom
 				        }
 			        }
 		        }
+            }
 		}
 
 		IEnumerable<XmlNode> GetNormalizedChildNodes(XmlElement element)
@@ -582,6 +599,11 @@ namespace ICSharpCode.WpfDesign.XamlDom
 			return element.LocalName.Contains(".");
 		}
 
+        static bool ObjectChildElementIsCollectionInstance(XmlElement element, Type collectionType)
+        {
+            return element.Name == collectionType.Name;
+        }
+
 		static bool IsElementChildACollectionForProperty(XamlTypeFinder typeFinder, XmlElement element, XamlPropertyInfo propertyInfo)
 		{
 			return element.ChildNodes.Count == 1 && propertyInfo.ReturnType.IsAssignableFrom(FindType(typeFinder, element.FirstChild.NamespaceURI, element.FirstChild.LocalName));