code: def saveViewSnapshot(self, view):
          '''
          Saves the View snapshot.
          '''
  
          if not view:
              raise ValueError("view must be provided to take snapshot")
          filename = self.snapshotDir + os.sep + '${serialno}-' + view.variableNameFromId() + '-${timestamp}' + '.' + self.snapshotFormat.lower()
          d = FileDialog(self, self.device.substituteDeviceTemplate(filename))
          saveAsFilename = d.askSaveAsFilename()
          if saveAsFilename:
              _format = os.path.splitext(saveAsFilename)[1][1:].upper()
              self.printOperation(view, Operation.VIEW_SNAPSHOT, filename, _format)
              view.writeImageToFile(saveAsFilename, _formatf saveViewSnapshot(self, view):
          '''
          Saves the View snapshot.
          '''
  
          if not view:
              raise ValueError("view must be provided to take snapshot")
          filename = self.snapshotDir + os.sep + '${serialno}-' + view.variableNameFromId() + '-${timestamp}' + '.' + self.snapshotFormat.lower()
          d = FileDialog(self, self.device.substituteDeviceTemplate(filename))
          saveAsFilename = d.askSaveAsFilename()
          if saveAsFilename:
              _format = os.path.splitext(saveAsFilename)[1][1:].upper()
              self.printOperation(view, Operation.VIEW_SNAPSHOT, filename, _format)
              view.writeImageToFile(saveAsFilename, _format)
docs: Saves the View snapshot.