First qeustion is: In the IMAQ library you have the image control how can i possibly call the "Zoom to Fit" function through a button rather than with the right click because i've tried it and i can't find it anywhere while Clear ROI simply is sided with the invoke nodes. Second qeustion is: When you have a graph how can you control the X-value you're looking at with a numeric value that adjusts the graph visibility on a certain x-value so for example i make a numeric value with the value "10" i'll want the graph to jump to the value "10" then is this possible in any way i've been trying to work with some property nodes but i get a little bit tangled in the web of possibilities. Third qeustion is: This is a minor qeustion but i'd like to ask anyway why is it that when you change the value of a button element you can only change it once in the structure and not twice because i'd like to have a button that when that button's value is true it sets the other 2 buttons to true and when it's false it sets the other 2 buttons to false.. i can only seem to get the effect of setting it to 'true' or 'false'. To complicate things even more though i still want to be able to use the 2 buttons that are being set differently by the first button it's just so i can automatically start/stop two buttons at the same time. and while i'm at it i also have a fourth qeustion: Is there any way you can use the line tool more than once in the IMAQ image section because the tool pallete only allows you to draw 1 line.

What VI are you using for lines... is it 'IMAQ Overlay Line'?? Try the attached code...!! And if its a solution to your fourth question, then it seems all of your queries are solved..

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