Unreachable code detected in case statement

Question

I have a code:

    protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
    {
        switch (keyData)
        {
            case Keys.Alt|Ke         


        

Answer 1

I understand that this doesn't answer the question directly, but inspired by the various answers here I just wanted to add another variation on how the "switch" could be structured:

protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
{
    if (keyData == Keys.Alt|Keys.D1 && _condition1)
        return true;

    if (keyData == Keys.Control|Keys.U && _condition2)
        return true;

    // ...repeat for other variations

    return base.ProcessCmdKey(ref msg, keyData);
}