C++hook Global Touch Events

https://gist.github.com/vbfox/1339671

namespaceblackfox{usingSystem; usingSystem.ComponentModel; usingSystem.Runtime.InteropServices; usingSystem.Security; /// <summary>    ///As long as this object exists all mouse events created from a touch event for legacy support would be disabled. /// </summary>    classdisabletouchconversiontomouse:idisposable {Static ReadOnlyLowlevelmouseproc Hookcallback =Hookcallback; StaticIntPtr Hookid =IntPtr.Zero;  PublicDisabletouchconversiontomouse () {Hookid=sethook (Hookcallback); }        StaticIntPtr sethook (lowlevelmouseproc proc) {varModulehandle = Unsafenativemethods.getmodulehandle (NULL); varSethookresult = Unsafenativemethods.setwindowshookex (Wh_mouse_ll, Proc, Modulehandle,0); if(Sethookresult = =IntPtr.Zero) {Throw Newwin32exception (); }            returnSethookresult; }        DelegateIntPtr Lowlevelmouseproc (intNCode, IntPtr WParam, IntPtr lParam); StaticIntPtr Hookcallback (intNCode, IntPtr WParam, IntPtr LParam) {            if(NCode >=0)            {                varinfo = (msllhookstruct) marshal.ptrtostructure (LParam,typeof(msllhookstruct)); varExtraInfo = (UINT) Info.dwExtraInfo.ToInt32 (); if((ExtraInfo & mouseeventf_fromtouch) = =Mouseeventf_fromtouch) {                    return NewINTPTR (1); }            }            returnUnsafenativemethods.callnexthookex (Hookid, NCode, WParam, LParam); }                BOOLdisposed;  Public voidDispose () {if(disposed)return;            Unsafenativemethods.unhookwindowshookex (Hookid); Disposed=true; Gc. SuppressFinalize ( This); }        ~Disabletouchconversiontomouse () {Dispose (); }        #regionInterop//ReSharper Disable inconsistentnaming//ReSharper Disable membercanbeprivate.local//ReSharper Disable fieldcanbemadereadonly.local        Const UINTMouseeventf_fromtouch =0xff515700; Const intWh_mouse_ll = -; [StructLayout (layoutkind.sequential)]structPoint { Public intx;  Public inty; } [StructLayout (layoutkind.sequential)]structmsllhookstruct { PublicPoint pt;  Public UINTMousedata;  Public UINTflags;  Public UINTTime ;  PublicIntPtr dwExtraInfo; } [SuppressUnmanagedCodeSecurity]Static classUnsafeNativeMethods {[DllImport ("user32.dll", CharSet = CharSet.Auto, SetLastError =true)]             Public Static externIntPtr SetWindowsHookEx (intIdhook, Lowlevelmouseproc lpfn, IntPtr hmod,UINTdwThreadID); [DllImport ("user32.dll", CharSet = CharSet.Auto, SetLastError =true)]            [return: MarshalAs (unmanagedtype.bool)] Public Static extern BOOLUnhookWindowsHookEx (IntPtr hhk); [DllImport ("user32.dll", CharSet = CharSet.Auto, SetLastError =true)]             Public Static externIntPtr CallNextHookEx (IntPtr hhk,intNCode, IntPtr WParam, IntPtr lParam); [DllImport ("Kernel32.dll", CharSet = CharSet.Auto, SetLastError =true)]             Public Static externIntPtr GetModuleHandle (stringlpmodulename); }        //ReSharper Restore Inconsistentnaming//ReSharper Restore Fieldcanbemadereadonly.local//ReSharper Restore Membercanbeprivate.local        #endregion    }}

C++hook Global Touch Events