结构调整，便于后续扩展

AIStudio.Wpf.BaseDiagram/Helpers/TypeHelper.cs

@@ -0,0 +1,50 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AIStudio.Wpf.BaseDiagram.Helpers
+{
+    public class TypeHelper
+    {
+
+        public static Type GetType(string typeName)
+        {
+
+            Type type = null;
+
+            Assembly[] assemblyArray = AppDomain.CurrentDomain.GetAssemblies();
+
+            int assemblyArrayLength = assemblyArray.Length;
+
+            for (int i = 0; i < assemblyArrayLength; ++i)
+            {
+
+                type = assemblyArray[i].GetType(typeName);
+
+                if (type != null)
+                {
+                    return type;
+                }
+            }
+
+            for (int i = 0; (i < assemblyArrayLength); ++i)
+            {
+                Type[] typeArray = assemblyArray[i].GetTypes();
+                int typeArrayLength = typeArray.Length;
+                for (int j = 0; j < typeArrayLength; ++j)
+                {
+                    if (typeArray[j].Name.Equals(typeName))
+                    {
+                        return typeArray[j];
+                    }
+                }
+            }
+
+            return type;
+
+        }
+    }
+}