http://imagej.273.s1.nabble.com/Save-values-Popup-window-tp5017455p5017457.html
> Hi,
>
> Last time I was helped very well, so I hope someone can help me again.
> I have an image which I threshold manually. Afterwards I want to save the
> minimal and maximal value of this threshold to a textfile. This is done two
> times, so if the text file could be updated, that would be great.
>
> Underneath you find my code so far. First I want to create a textfile where
> I can save my values. Then I want to print the text 'Minimal threshold' plus
> its value. However, it creates the text file, but does not print any text in
> it. Is there a way to print the text in the textfile and update it with the
> maximal threshold?
>
> /run("Threshold...");
> waitForUser("set the threshold and press OK, or cancel to exit macro");
> getThreshold(lower,upper)
> print("your thresholds are; "+lower, "to "+ upper);
>
> file=File.open(Output+threshold.txt)
> open(file)
> print(file, "Minimal threshold"+lower+"\n");/
>
> Next to that, I would like to have a pop-up screen where some can select a
> value that will be used in another calculation. I found that Dialog.create
> could be used for this. However, normally codes like Dialog.create will
> change from black to a yellow collor when there typed right. With
> Dialog.create this does not happen and also does not show any pop-up screen
> when an option with Dialog.addChoice is included.
>
> Thank you already.
>
> Iris
>
>
>
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