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ProgressChanged

ProgressChanged

...报告当前完成程度，随时中止异步线程操作，还可以在异步操作状态报告中（ProgressChanged）和异步操作完成后（RunW…

You can access these results in the event handler for the ProgressChanged event, just as you would access the ProgressPercentage property .

Implement the handlers for the BackgroundWorker component 's DoWork and ProgressChanged events .

In the ProgressChanged event handler , update the ProgressBar with the ProgressPercentage property of the ProgressChangedEventArgs parameter .

Describes the type that holds data for the ProgressChanged event .

Add an event handler for the ProgressChanged event .