hello
I have an application that reads data from a file and with this data generates an image.
the problem is that on occasion takes up to a minute to generate the image due to the large volume of data in the file.
I would like to create a progress bar that tells the user what is missing to complete the picture.
Someone can give me an idea of ​​how to do that?
how do I grow the bar as progress is made in building the image?
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