معادل دستور sendkeys درwpf

[farashah_jalal]

با سلام
معادل دستور send key در wpf


if (TxtPartition1.MaxLength == TxtPartition1.Text.Length)
SendKeys.Send("Tab");

[homan1374]

if (e.Key == Key.Down)
{
e.Handled = true;
KeyEventArgs eInsertBack = new KeyEventArgs(Keyboard.PrimaryDevice, Keyboard.PrimaryDevice.ActiveSource, 0, Key.Tab);
eInsertBack.RoutedEvent = UIElement.KeyDownEvent;
InputManager.Current.ProcessInput(eInsertBack);
}