--- a/Dialogs.py	Wed Jul 25 10:06:29 2007 +0200
+++ b/Dialogs.py	Thu Jul 26 17:23:21 2007 +0200
@@ -384,21 +384,23 @@
         self.RefreshNameList()
 
     def SetValues(self, values):
-        for name, value in values.items():
-            if name == "type":
-                if value == INPUT:
-                    self.Class.SetStringSelection("Input")
-                if value == OUTPUT:
-                    self.Class.SetStringSelection("Output")
-                if value == INOUT:
-                    self.Class.SetStringSelection("InOut")
-            elif name == "name" and value != "":
-                if self.Name.FindString(value) != wxNOT_FOUND:
-                    self.Name.SetStringSelection(value)
-                    self.Expression.Enable(False)
-                else:
-                    self.Expression.SetValue(value)
-                    self.Name.Enable(False)
+        value_type = values.get("type", None)
+        value_name = values.get("name", None)
+        if value_type:
+            if value_type == INPUT:
+                self.Class.SetStringSelection("Input")
+            if value_type == OUTPUT:
+                self.Class.SetStringSelection("Output")
+            if value_type == INOUT:
+                self.Class.SetStringSelection("InOut")
+            self.RefreshNameList()
+        if value_name:
+            if self.Name.FindString(value_name) != wxNOT_FOUND:
+                self.Name.SetStringSelection(value_name)
+                self.Expression.Enable(False)
+            else:
+                self.Expression.SetValue(value_name)
+                self.Name.Enable(False)
         self.RefreshPreview()
         
     def GetValues(self):