Catching Ctrl + C in a textbox

Question

Despite me working with C# (Windows Forms) for years, I\'m having a brain fail moment, and can\'t for the life of me figure out how to catch a user typing Ctrl +

Answer 1

D'oh! Just figured it out. Out of the three possible events, the one I haven't tried is the one I needed! The KeyUp event is the important one:

private void txtConsole_KeyUp(object sender, KeyEventArgs e)
{
    if (e.KeyData == (Keys.C | Keys.Control))
    {
        _consolePort.Write(new byte[] { 3 }, 0, 1);
        e.Handled = true;
    }
}

Answer 2

Go ahead and use the KeyDown event, but in that event check for both Ctrl and C, like so:

if (e.Control && e.KeyCode == Keys.C) {
    //...
    e.SuppressKeyPress = true;
}

Also, to prevent processing the keystroke by the underlying TextBox, set the SuppressKeyPress property to true as shown.