internal IntPtr HandleHotkeyMessage(
IntPtr hwnd,
int msg,
IntPtr wParam,
IntPtr lParam,
ref bool handled,
out Hotkey hotkey)
{
hotkey = null;
if (msg == WmHotkey)
{
int id = wParam.ToInt32();
string name;
if (_hotkeyNames.TryGetValue(id, out name))
{
hotkey = _hotkeys[name];
var handler = hotkey.Handler;
if (handler != null)
{
var e = new HotkeyEventArgs(name);
handler(this, e);
handled = e.Handled;
}
}
}
return IntPtr.Zero;
}
private static void UnregisterHotkey(Hotkey hotkey)
{
try
{
HotkeyManager.Current.Remove(hotkey.Guid.ToString());
}
catch
{
// ignored
}
}
internal void AddOrReplace(string name, uint virtualKey, HotkeyFlags flags, EventHandler<HotkeyEventArgs> handler)
{
var hotkey = new Hotkey(virtualKey, flags, handler);
lock (_hotkeys)
{
Remove(name);
_hotkeys.Add(name, hotkey);
_hotkeyNames.Add(hotkey.Id, name);
if (_hwnd != IntPtr.Zero)
hotkey.Register(_hwnd, name);
}
}
public static void RegisterHotkey(Hotkey hotkey, Action callback)
{
if (hotkey.Key == Key.None)
return;
RemoveHotkey(hotkey);
Hotkeys.Add(new Tuple<Hotkey, Action>(hotkey, callback));
try
{
HotkeyManager.Current.AddOrReplace(hotkey.Guid.ToString(),
hotkey.Key, hotkey.ModifierKeys, !hotkey.CanRepeat,
(sender, args) => OnHotkey(hotkey.Key, hotkey.ModifierKeys));
}
catch (HotkeyAlreadyRegisteredException)
{
}
}
public static void RemoveHotkey(Hotkey hotkey) => RemoveHotkey(hotkey.Guid);