CSReportDll.cReport.pGetImage C# (CSharp) Метод

        private Image pGetImage(int indexRows, int indexField, int indexRow)
        {
            String key = "";
            Image image = null;
            String fileInTMP = "";

            key = "k" + indexRows.ToString() + indexField.ToString() + indexRow.ToString();
            if(m_images.ContainsKey(key))
            {
                image = m_images[key];
            }
            else
            {
                // we are optimistic. if I don't get a picture
                // we return null but don't complaint
                //
                byte[] bytes = null;

                // it looks ugly, don't you think?
                //
                // maybe this help a litle:
                //
                //    m_vCollRows(IndexRows)    a matrix with the data 
                //                              contained in the datasource
                //                              referd by this control
                //
                //    (IndexField, IndexRow)    a cell in this matrix
                //
                object value = m_collRows[indexRows].Rows[indexRow][indexField];
                bytes = (byte[])value;

                fileInTMP = pGetFileImageInTMP(bytes);

                if (fileInTMP != "")
                {
                    try
                    {
                        var tmpImage = Image.FromFile(fileInTMP);
                        image = new Bitmap(tmpImage);
                        tmpImage.Dispose();
                        m_images.Add(key, image);
                    }
                    catch
                    {
                        // we don't care
                    }
                }
            }
            return image;
        }