How to add stop button to myDAQ loop

Hi ,
im last semester student and during my final project im recroding lung sound with electret microphone sampling it with myDAQ and writing it to a wav file. the acquisition mode is "continuous samples" , the recording time is changing from time , i want to add a "STOP" button , which will be pushed when i finished my recording . If i push on the "abort execution" button , the wav file is empty , and so on the graph. any suggestions ?
thank you in advance.
Attachments:
Record.vi ‏78 KB

Like this
By the way, that Abort VI button is not for stopping your loops.  I just kills execution wherever it may be.  It should only be used as a last resort if your stopping code is not working properly.
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Attachments:
Record_BD.png ‏88 KB

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