private void SetLocation()
        {
            DataTable dt = new DataTable();

            int left   = txtNewLeft.Text != "" ? (int)dt.Compute(txtNewLeft.Text, "") : m_WindowRect.Left;
            int top    = txtNewTop.Text != "" ? (int)dt.Compute(txtNewTop.Text, "") : m_WindowRect.Top;
            int width  = txtNewWidth.Text != "" ? (int)dt.Compute(txtNewWidth.Text, "") : m_WindowRect.Width - m_WindowRect.Left;
            int height = txtNewHeight.Text != "" ? (int)dt.Compute(txtNewHeight.Text, "") : m_WindowRect.Height - m_WindowRect.Top;

            User32Windows.SetWindowPos(m_Hwnd, User32Windows.HWND_TOP, left, top, width, height, User32Windows.SWP_NOZORDER);
            GetCharacteristics();
        }