public void Dispose()
{
if (!HotKeyMethods.UnregisterHotKey(_hwnd, RegistrationKey))
{
Log.Write("Failed to unregister hotkey #{0}", RegistrationKey);
}
}
private void RegisterHandler(string spec, HotKeyHandler handler)
{
if (string.IsNullOrEmpty(spec))
{
return; //this can happen and is allowed => simply don't register
}
if (handler == null)
{
throw new ArgumentNullException();
}
int modifiers = 0, keyCode = 0;
try {
HotKeyMethods.TranslateStringToKeyValues(spec, out modifiers, out keyCode);
}
catch (ArgumentException) {
//TODO: swallowed exception
return;
}
var reg = HotKeyHandlerRegistration.Register(Form, keyCode, modifiers, handler);
if (reg != null)
{
_handlers.Add(reg.RegistrationKey, reg);
}
}
/// <summary>
/// Registers a new hotkey and returns a handle to the registration.
/// </summary>
/// <returns>Returns null on failure.</returns>
public static HotKeyHandlerRegistration Register(Form owner, int keyCode, int modifiers, HotKeyHandler handler)
{
var key = ++_lastUsedKey;
if (!HotKeyMethods.RegisterHotKey(owner.Handle, key, modifiers, keyCode))
{
Log.Write("Failed to create hotkey on key {0} with modifiers {1}", keyCode, modifiers);
return(null);
}
return(new HotKeyHandlerRegistration(owner.Handle, key, handler));
}
