Hi
I read a textfile and make some processing and get data in listtime when i check the listtime in the scope of the sub where i do processing ,listtime has N element but after exit the sub it has no element ?
![8220-im1.png][1]
here the watch of the debugger 
[1]: /answers/storage/attachments/8220-im1.png
Thanks
Hi, if you use await the execution of method ends before all instructions are executed. Use NotifiPropertyChanged to inform about the end of method.
Have you solved your issue? Does @PeterFleischer-3316 's answer work on your side?
Hi
I don't succeed to achieve my goal
Hi, my code demonstrates that task run in separat thread and you cannot get the expected result. You can start readFile and process the end of the asynchronous work in a separate event routine.
Hi, if you use await the execution of method ends before all instructions are executed. Try following code and check debug result in "Immediate Window". Use NotifyPropertyChanged to inform about the end of method.
Another approach is to use LoadList as function:
You need to use await for your async method. eg. await read-file()
You also need to change MainPage_Loading() to an async method. If you don't use await for read-file(), you will hit the end of MainPage_Loading() before read-file() returns its result.
Sorry because I cannot post "readfile" here so please use your method name to replace it.
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