// ReSharper disable RedundantAssignment /// <summary> Hooks WndProc to react on HOTKEY passed (Alt+Z) </summary> private IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled) { handled = false; if (msg == (uint)API.WM.HOTKEY) { handled = true; if (BtnStck.IsInstantited && BtnStck.Instance.IsActive) { Activate(); //WXP requires this b1.Focus(); } else if (BtnStck.IsInstantited) { ShowButtonStack(Keyboard.PrimaryDevice, null); } } if (msg == (int)API.WM.DEVICECHANGE && (handled = DriveManager.HandleDeviceNotification(wParam, lParam))) { return(new IntPtr(1)); //MSDN: return true to allow request. We never deny, we just react on this. //WinUser.h: #define BROADCAST_QUERY_DENY 0x424D5144 // Return this value to deny a query. } return(IntPtr.Zero); }