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How can more than five touch inputs be handled simultaneously on Windows Store Apps using C# and XAML?
Different approaches have been tried, including this from MS: http://msdn.microsoft.com/en-us/library/windows/apps/xaml/jj150606.aspx
Does any one know an approach to handle more than five?
The five touch limit is most likely a hardware limitation. A touch screen has a dedicated processor to process the large amount of capacitance data. This processing results in a list of touches, and their respective locations, which is sent along to the operating system for handling.
In Apple-land, small iOS devices (iPhone, iPod) have a 5-touch limit, while large iOS devices (iPad) have a 10-touch limit.