Exemplo n.º 1
0
            public virtual IntPtr Callback(int code, IntPtr wparam, IntPtr lparam)
            {
                NativeMethods.EVENTMSG eventmsg = Marshal.PtrToStructure <NativeMethods.EVENTMSG>(lparam);


                if (UnsafeNativeMethods.GetAsyncKeyState((int)Keys.Pause) != 0)
                {
                    SendKeys.stopHook = true;
                }

                //
                switch (code)
                {
                case NativeMethods.HC_SKIP:

                    if (!gotNextEvent)
                    {
                        break;
                    }

                    if (SendKeys.events != null && SendKeys.events.Count > 0)
                    {
                        SendKeys.events.Dequeue();
                    }
                    SendKeys.stopHook = SendKeys.events == null || SendKeys.events.Count == 0;
                    break;

                case NativeMethods.HC_GETNEXT:

                    gotNextEvent = true;

#if DEBUG
                    Debug.Assert(SendKeys.events != null && SendKeys.events.Count > 0 && !SendKeys.stopHook, "HC_GETNEXT when queue is empty!");
#endif

                    SKEvent evt = (SKEvent)SendKeys.events.Peek();
                    eventmsg.message = evt.wm;
                    eventmsg.paramL  = evt.paramL;
                    eventmsg.paramH  = evt.paramH;
                    eventmsg.hwnd    = evt.hwnd;
                    eventmsg.time    = SafeNativeMethods.GetTickCount();
                    Marshal.StructureToPtr(eventmsg, lparam, true);
                    break;

                default:
                    if (code < 0)
                    {
                        UnsafeNativeMethods.CallNextHookEx(new HandleRef(null, SendKeys.hhook), code, wparam, lparam);
                    }

                    break;
                }

                if (SendKeys.stopHook)
                {
                    SendKeys.UninstallJournalingHook();
                    gotNextEvent = false;
                }
                return(IntPtr.Zero);
            }
Exemplo n.º 2
0
            public virtual IntPtr Callback(int code, IntPtr wparam, IntPtr lparam)
            {
                System.Windows.Forms.NativeMethods.EVENTMSG structure = (System.Windows.Forms.NativeMethods.EVENTMSG)UnsafeNativeMethods.PtrToStructure(lparam, typeof(System.Windows.Forms.NativeMethods.EVENTMSG));
                if (UnsafeNativeMethods.GetAsyncKeyState(0x13) != 0)
                {
                    SendKeys.stopHook = true;
                }
                switch (code)
                {
                case 1:
                {
                    this.gotNextEvent = true;
                    SendKeys.SKEvent event2 = (SendKeys.SKEvent)SendKeys.events.Peek();
                    structure.message = event2.wm;
                    structure.paramL  = event2.paramL;
                    structure.paramH  = event2.paramH;
                    structure.hwnd    = event2.hwnd;
                    structure.time    = SafeNativeMethods.GetTickCount();
                    Marshal.StructureToPtr(structure, lparam, true);
                    break;
                }

                case 2:
                    if (this.gotNextEvent)
                    {
                        if ((SendKeys.events != null) && (SendKeys.events.Count > 0))
                        {
                            SendKeys.events.Dequeue();
                        }
                        SendKeys.stopHook = (SendKeys.events == null) || (SendKeys.events.Count == 0);
                    }
                    break;

                default:
                    if (code < 0)
                    {
                        UnsafeNativeMethods.CallNextHookEx(new HandleRef(null, SendKeys.hhook), code, wparam, lparam);
                    }
                    break;
                }
                if (SendKeys.stopHook)
                {
                    SendKeys.UninstallJournalingHook();
                    this.gotNextEvent = false;
                }
                return(IntPtr.Zero);
            }