Wrapped Exception Function

Make your own exception class.

class MyException : Exception
{
    public MyException(string in_szMessage, Exception in_oParent)
    {
        m_szMessage = in_szMessage;
        m_oParentEx = in_oParent;
    }

    public string m_szMessage = null;
    public Exception m_oParentEx = null;
}

private void m_butMyButton_Click(object sender, EventArgs e)
{
    try
    {
        try
        {
            int i = 7;
            int j = 0;
            int k = i / j;
        }

        catch (Exception ex)
        {
            throw new MyException("The wrapped exception message",ex);
        }
    }

    catch (MyException ex)
    {
        DoWhateverYouWantWith(ex.m_szMessage);
        DoWhateverYouWantWith(ex.m_oParentEx);
    }