WPF C#. need simple help about progress bar

I never used progres开发者_如何学编程s bar. Searched in internet but could not find something useful. So i wanna to make progress bar like this:

which must work 10 seconds i think it must easy. Thanks.

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WPF: IsIndeterminate

progressBar.IsIndeterminate = true;

WinForms: Style Marquee:

progressBar.Style = ProgressBarStyle.Marquee;

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In WPF you'd set the IsIndeterminate property of the ProgressBar to true to get the effect you want. However, I don't think it provides a simple property for controlling the speed of it. You'd probably have to re-template the progress bar or something.