Forwarding a Keystroke to another Control in WinForms

Question

I am receiving a keystroke in a Form object's OnKeyDown. When some conditions are met (such as the keystroke is a printable character and not a hotkey) I want to forward the key to a text control on the form and set focus to the text control so the user can continue typing. I am able to decode the character typed using MapVirtualKey but I get only the "unshifted" character (always upper case). Using ToUnicodeEx seems like too much of a PITA.

What is the best way to do this? Isn't there a way to simply forward the Windows message itself?

Can't I intercept the ProcessKeyPreview or some such and forward it to the text control's ProcessKeyPreview? Any ideas along similar lines?

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Answer 1

I did this on a single form with the following

private void MyFunkyForm_KeyDown(object sender, KeyEventArgs e)
{
    // to avoid duplicate letters in textbox :-)
    if (textBox2.Focused == false)
    {

     // get the char from the Keycode
     char inputChar = (char)e.KeyCode;
     if (char.IsLetterOrDigit(inputChar))
     {
      // if letter or number then add it to the textbox
      textBox2.Text += inputChar;
     }

     // set focus
     textBox2.Focus();
     // set cursor to the end of text, no selection
     textBox2.SelectionStart = textBox2.Text.Length;
    }
}