如何检测何时按下热键(快捷键)

Question

如何在WPF中按下诸如Ctrl+之类的快捷键O(独立于任何特定控件)？

我试图捕捉KeyDown,但KeyEventArgs并没有告诉我是否Control或Alt已关闭.

Answer 1

private void Window_KeyDown(object sender, KeyEventArgs e)
{
    if (e.KeyboardDevice.Modifiers == ModifierKeys.Control)
    {
        // CTRL is down.
    }
}