+
−import orthanc
+
−import threading
+
−
+
−def OnChange(changeType, level, resource):
+
−    # One can safely invoke the "orthanc" module in this function
+
−    orthanc.LogWarning("Hello world")
+
−
+
−def _OnChange(changeType, level, resource):
+
−    # Invoke the actual "OnChange()" function in a separate thread
+
−    t = threading.Timer(0, function = OnChange, args = (changeType, level, resource))
+
−    t.start()
+
−
+
−orthanc.RegisterOnChangeCallback(_OnChange)