WPF发送Ctrl+Key事件

Question

I'm using the following code

private void Send(Key key)
{
    if (Keyboard.PrimaryDevice != null)
    {
        if (Keyboard.PrimaryDevice.ActiveSource != null)
        {
            var e1 = new System.Windows.Input.KeyEventArgs(
                Keyboard.PrimaryDevice, Keyboard.PrimaryDevice.ActiveSource, 0, key)
            { RoutedEvent = Keyboard.KeyDownEvent };
            bool b = InputManager.Current.ProcessInput(e1);
        }
    }
}

to send a key pressed event remapping the actual key I pressed on the keyboard.

For example here:

private void DataGrid_PreviewKeyDown(object sender, KeyEventArgs e)
{
    if (e.Key == Key.PageDown)
    {
        e.Handled = true;
        Send(Key.Right);
    }

I'm remapping the page down into a right arrow.

How can I send a Control plus the right arrow Ctrl + → pressed together?

Answer 1

Basically the answer is already here (feel free to close as duplicated question).

Just notice that in my case I need the definitions

    public const int VK_LCONTROL = 0xA2; //Left CONTROL key
    public const int VK_RIGHT = 0x27; //Right Arrow

So I simply do

keybd_event(VK_LCONTROL, 0, KEYEVENTF_EXTENDEDKEY, 0);
keybd_event(VK_RIGHT, 0, KEYEVENTF_EXTENDEDKEY, 0);
keybd_event(VK_RIGHT, 0, KEYEVENTF_KEYUP, 0);
keybd_event(VK_LCONTROL, 0, KEYEVENTF_KEYUP, 0);

where keybd_event is defined in the linked answer ( using System.Runtime.InteropServices; etc...).

Full source code in the public repo (commented the other alternative solution).

Answer 2

Or use ready github project for .Net, Windows Input Simulator

It also uses "user32.dll" functions by marshaling

private void DataGrid_PreviewKeyDown(object sender, KeyEventArgs e)
{
    if (e.Key == Key.PageDown)
    {
        e.Handled = true;
        var myInputSimulator = new InputSimulator();
        myInputSimulator.Keyboard.KeyDown(VirtualKeyCode.CONTROL);
        myInputSimulator.Keyboard.KeyPress(VirtualKeyCode.RIGHT);
     }
}