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c#winformsaudiosystem-sounds

Stop the 'Ding' when pressing Enter


I have a very simple Windows Forms Application. And, in Windows (or, atleast Windows Forms Applications), when you press Enter while inside a Single-line TextBox Control, you hear a Ding. It's an unpleasent sound, that indicated you cannot enter a newline, because it is a single-line TextBox.

This is all fine. However, in my Form, I have 1 TextBox, and a Search Button. And I am allowing the user to Perform a search by pressing Enter after they've finished typing, so they don't have to use the mouse to click the Search Button.

But this Ding sound occurs. It's very annoying.

How can we make it so just that sound doesn't play at all in my Form?

@David H - Here's how I'm detecting the enter pressing:

private void textBox1_KeyUp(object sender, KeyEventArgs e)
{
    if (e.KeyCode == Keys.Enter)
    {
        // Perform search now.
    }
}

Solution

  • Check out the Form.AcceptButton property. You can use it to specify a default button for a form, in this case for pressing enter.

    From the docs:

    This property enables you to designate a default action to occur when the user presses the ENTER key in your application. The button assigned to this property must be an IButtonControl that is on the current form or located within a container on the current form.

    There is also a CancelButton property for when the user presses escape.