--- a/graphics/GraphicCommons.py	Fri Dec 04 15:28:08 2009 +0100
+++ b/graphics/GraphicCommons.py	Sun Dec 06 21:20:55 2009 +0100
@@ -267,6 +267,19 @@
         if iec_path is not None:
             self.DataProducer.UnsubscribeDebugIECVariable(iec_path, consumer)
     
+    def GetDataType(self, iec_path):
+        if self.DataProducer is not None:
+            return self.DataProducer.GetDebugIECVariableType(iec_path)
+        return None
+    
+    def ForceDataValue(self, iec_path, value):
+        if self.DataProducer is not None:
+            self.DataProducer.ForceDebugIECVariable(iec_path, value)
+    
+    def ReleaseDataValue(self, iec_path):
+        if self.DataProducer is not None:
+            self.DataProducer.ReleaseDebugIECVariable(iec_path)
+    
     def DeleteDataConsumers(self):
         if self.DataProducer is not None:
             for consumer, iec_path in self.DataConsumers.iteritems():
@@ -1757,7 +1770,7 @@
                     self.ToolTip.SetTip(self.ComputedValue)
                 if len(self.ComputedValue) > 4:
                     self.ComputedValue = self.ComputedValue[:4] + "..."
-            if isinstance(self.ComputedValue, StringType):
+            if isinstance(self.ComputedValue, (StringType, UnicodeType)):
                 self.ValueSize = self.Parent.GetMiniTextExtent(self.ComputedValue)
             else:
                 self.ValueSize = None