def OnButtonClickExcelUpdateWorkbooks(self, event):
event.Skip()
self.m_checkListExcelSheets.Clear()
self.m_checkListExcelWorkbooks.Clear()
self.workbooks = dict()
self.sheets = defaultdict(dict)
self.LoadExcelModule()
if self.excelModule is not None:
message = Message()
message.subAction = 'getExcelSheets'
self.excelModule.passMessage(message)
