Replace raw touch events with Windows Touch Gestures API #196
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- Replace raw touch events (TouchDown, TouchUp, TouchMove) with high-level gesture events (Pan, Zoom, Rotate, Tap, PressAndTap) - Add GestureEventArgs classes for each gesture type - Update ITouchControl interface to expose gesture events - Replace touch input handling with WM_GESTURE message handling in WinFormsUtils.Touch.cs - Add gesture-related native interop structures (GestureConfig, GestureInfo) and P/Invoke declarations - Update TouchForm and TouchPanel to implement new gesture events - Remove obsolete TouchEventArgs.cs file Co-authored-by: bastianeicher <414366+bastianeicher@users.noreply.github.com>
- Add missing using System directive for Flags attribute - Use Marshal.SizeOf<T>() instead of Marshal.SizeOf(new T()) to avoid allocations - Add clarifying comment for RegisterGestureWindow API compatibility - Add detailed comments explaining pan distance bit unpacking Co-authored-by: bastianeicher <414366+bastianeicher@users.noreply.github.com>
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[WIP] Redesign touch input system for WinForms projects
Replace raw touch events with Windows Touch Gestures API
Dec 25, 2025
bastianeicher
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Dec 26, 2025
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Use the non-generic variant of Marshal.SizeOf, so that the code also compiles on .NET Framework.
Replace Marshal.SizeOf<T>() with Marshal.SizeOf(typeof(T)) to ensure compatibility with .NET Framework. Co-authored-by: bastianeicher <414366+bastianeicher@users.noreply.github.com>
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Touch Input System Redesign - COMPLETED ✅
GestureEventArgswith subclasses for each gesture type)ITouchControlinterface to replace raw touch events with gesture events (Tap, Pan, Zoom, Rotate, TwoFingerTap, PressAndTap)WinFormsUtils.NativeMethods.csWinFormsUtils.Touch.cs(replace raw touch handling with WM_GESTURE handling)TouchForm.csto implement new gesture eventsTouchPanel.csto implement new gesture eventsTouchEventArgs.csfile (replaced by gesture event args)Summary
Successfully redesigned the touch input system from raw touch events to high-level Windows Touch Gestures. The implementation follows the Microsoft Windows classic samples and provides a clean, gesture-based API for WinForms applications on Windows 7+.
Key Changes:
TouchDown,TouchUp,TouchMovewithPan,Zoom,Rotate,Tap,PressAndTapWinFormsUtils.Touch.csOriginal prompt
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