c# - modal indeterminate progress bars -

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i have windows app calls other classes , within thise stored procedures , creates csv file of lot of info. need progress bar runs until done user can see happening. have scoured internet , cant seem work. want bar start running on button click. why seem difficult? closest got starting bar in marquee wont "start" until after object has been filled me no good, need start while object being filled. being done in c#. ideas?

you need run long running task in separate thread ui can update while task runs.

see windows forms progressbar: easiest way start/stop marquee? example of setting up.


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