How to show progress bar
Answered
Hi. During the development of my plugin, I faced the need to display the progress bar about the same as it appears during the loading of the project. Can please example code how to do it because I could not find any information about it.
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Please see http://www.jetbrains.org/intellij/sdk/docs/basics/architectural_overview/general_threading_rules.html#background-processes-and-processcanceledexception
how to add listener to the cancel button？
You can obtain cancellation status from result value: " * @return true if the operation completed successfully, false if it was cancelled."