Stop the Bell on CTRL-A (WinForms)

Question

Any ideas how to stop the system bell from sounding when CTRL-A is used to select text in a Winforms application?

Here\'s the problem. Create a

Answer 1

Thanks to an MSDN Forum post - this problem only occurs when textboxes are in multiline mode and you'd like to implement Ctrl+A for select all.

Here's the solution

protected override bool ProcessCmdKey(ref Message msg, Keys keyData) 
{
  if (keyData == (Keys.A | Keys.Control)) {
    txtContent.SelectionStart = 0;
    txtContent.SelectionLength = txtContent.Text.Length;
    txtContent.Focus();
    return true;
  }
  return base.ProcessCmdKey(ref msg, keyData);
}