wpf controls - Emerging MessageBox while processing data -

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I am working with C # and a WPF project.

I have created a button, information about the process which can usually last for less than 3 minutes; During that time, I show a message box which indicates: "This process lasts less than 3 minutes, please wait", then when the process is finished, I would like to suppress the message box automatically. it's possible? How do I get it?

Thank you.

Instead, why not start using a long-running job and report progress We do ?:.

In fact, this is the mechanism of WPF called Dispatcher:


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