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133 Return if list of items displayed by Viewer is empty |
133 Return if list of items displayed by Viewer is empty |
134 @return: True if list is empty |
134 @return: True if list is empty |
135 """ |
135 """ |
136 return len(self.Items) == 0 |
136 return len(self.Items) == 0 |
137 |
137 |
138 def UnsubscribeObsoleteData(self): |
138 def SubscribeAllDataConsumers(self): |
139 """ |
139 """ |
140 Function that unsubscribe and remove every item that store values of |
140 Function that unsubscribe and remove every item that store values of |
141 a variable that doesn't exist in PLC anymore |
141 a variable that doesn't exist in PLC anymore |
142 """ |
142 """ |
143 for item in self.ItemsDict.values()[:]: |
143 for item in self.ItemsDict.values()[:]: |