How do you clear the chart in an AI Waveform Scan VI upon program start?

I am using a waveform scan vi in a program. The output of the vi is set to "Waveform". What I want to do is have the program automaticly clear the waveform chart each time the program starts. Currently I must start the program, right click on the chart and select clear. I have attempted to use the chart history property node, which I assumed is the correct path to take but so far my attempts have been unsuccessful.

Ahhh, waveforms... These got better in LV 7 I hear.
Will this do it?
2006 Ultimate LabVIEW G-eek.
Attachments:
Problem_example.vi ‏41 KB

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How do you clear the chart in an AI Waveform Scan VI upon program start?

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