WINFORM 窗口快捷键

/// <summary>    
/// 快捷键    
/// </summary>    
/// <param name="msg"></param>    
/// <param name="keyData"></param>    
/// <returns></returns>    
protected override bool ProcessCmdKey(ref Message msg, Keys keyData)    
{    
    if (keyData == (Keys.S | Keys.Control))    
    {    
        this.Save();    
        return true;    
    }    
    if (keyData == (Keys.P | Keys.Control))    
    {    
        this.Print();    
        return true;    
    }    
    return base.ProcessCmdKey(ref msg, keyData);    
}