How to cancel FTP operation

I am using the internet tookit FTP vis. Is there any way to cancel an FTP operation while you are in the middle of it? For instance, if the user has requested a get file for a large file on an RT device but then you need to close the program or somemthing.
Right now we have a program on the pc communicating with a vi running on an RT device by shared variable. When the pc side wants to download files, it indicates this over shared variable to the RT device. The device prepares the list of files to request and sends that to the pc, it then goes into a wait state so that it isn't trying to record while the pc is downloading files. The pc goes through the list of files and FTP 'get file' s each one.  When the pc is finished it indicates this to the RT device so it can continue recording. I would like to be able to cancel the ftp get file operation in the middle of it downloading a large file and then tell the crio to get back to what it was doing.
[will work for kudos]

rex1030 wrote:
Is there any way to pass data between a vi and a subvi that is running? Changing the value of a boolean while the subvi is running would be enough. Maybe shared variables?
There are lots of ways just like Raven mentioned. The trick though is that the subVI will need to have the programming support to detect the new data. If the subVI isn't looking for the data then it really doesn't matter if you change it. This is where a good design and some forethought come into play.
Message Edited by Mark Yedinak on 03-10-2010 02:58 PM
Mark Yedinak
"Does anyone know where the love of God goes when the waves turn the minutes to hours?"
Wreck of the Edmund Fitzgerald - Gordon Lightfoot

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