private IntPtr captureKey(int nCode, IntPtr wp, IntPtr lp)
        {
            if (nCode >= 0 && ScreenshotWindow.IsCurrentlyShowing())
            {
                KBDLLHOOKSTRUCT objKeyInfo = (KBDLLHOOKSTRUCT)Marshal.PtrToStructure(lp, typeof(KBDLLHOOKSTRUCT));

                // Disabling Windows keys

                if (objKeyInfo.key == Keys.RWin || objKeyInfo.key == Keys.LWin || objKeyInfo.key == Keys.Tab && HasAltModifier(objKeyInfo.flags) || objKeyInfo.key == Keys.Escape && (Keyboard.Modifiers & ModifierKeys.Control) != 0)
                {
                    return((IntPtr)1); // if 0 is returned then All the above keys will be enabled
                }
            }
            return(CallNextHookEx(ptrHook, nCode, wp, lp));
        }
        protected override void WndProc(ref Message m)
        {
            if (m.Msg == Constants.WM_HOTKEY_MSG_ID)
            {
                if (t == Type.FullScreen)
                {
                    Utilities.UploadAllScreens();
                }
                else if (t == Type.Selection)
                {
                    if (!ScreenshotWindow.IsCurrentlyShowing())
                    {
                        new ScreenshotWindow().Show();
                    }
                }
            }

            base.WndProc(ref m);
        }