Explore the underlying implementation of WPF’s ITabletManager.GetTabletCount in Win11 system

Explore the underlying implementation of WPF’s ITabletManager.GetTabletCount in Win11 system This article will introduce to you the underlying implementation of the GetTabletCount method of ITabletManager provided for WPF touch module in Windows 11 system. This article will introduce to you the underlying implementation of the GetTabletCount method of ITabletManager provided specifically for the WPF touch module in Windows 11 system This article belongs to a series of blogs related to WPF touch, focusing on the bottom layer of the system. For more touch blogs, please see WPF touch related As we all know, in Windows 7 system, there are dedicated pen and touch services to provide support for touch messages. WPF is a framework that has been around since the Vista era, so it naturally needs to support the XP system. In the XP system, there is no perfect WM_Touch message, and at the same time, performance needs to be taken into consideration. The best solution is RealTimeStylus. There is a set of COM interfaces specifically used for WPF touch modules under Windows. This set of interfaces provides almost the same implementation functions as RealTimeStylus. For details, please see https://learn.microsoft.com/en-us/windows/win32/tablet /com-apis-used-by-windows-presentation-foundation For more introduction to this COM touch layer, please…