WPF 3.5 SP1 Performance on Tablet & Touch-enabled machines

Some customers reported performance issues and general sluggishness on Tablet & Touch-enabled machines with their WPF 3.5 SP1 applications. This is especially noticeable during scrolling if the application comprise of many visual elements. The root cause is that Accessibility clients need to collect UIAutomation information in order interact with applications. This in turn causes WPF…

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