public bool Unregister(ModifierKeys modifierKey, Keys key) { ushort id = GlobalAtom.Find(this.GetHotKeyName(modifierKey, key)); if (this.HotKeyTable.ContainsKey(id)) { if (HotKeyManager.UnregisterHotKey(this.Owner.Handle, id)) { this.HotKeyTable.Remove(id); GlobalAtom.Delete(id); return(true); } else { return(false); } } else { return(false); } }