/// <summary>
        /// Loads a file and displays the hex in the text editor
        /// </summary>
        /// <param name="pathToFile">The full path to the file to load</param>
        private async Task LoadFileAndDisplayHex(string pathToFile)
        {
            HexViewer.Clear();

            byte[] fileBytes = await new FileLoader().LoadFile(pathToFile);
            HexViewer.AppendText(new HexBuilder().BuildHex(fileBytes));
        }
        public void AddRanges(HexViewer control, byte[] buffer)
        {
            control.Clear();

            if (buffer.Length > 8)
            {
                int[] pointer;
                short width;
                short height;

                width  = WordHelpers.GetInt16Le(buffer, 0);
                height = WordHelpers.GetInt16Le(buffer, 2);

                // do some basic sanity checking
                if (width > 0 && width <= 320 && height > 0 && height <= 200)
                {
                    control.AddRange(0, 2, Color.MediumSeaGreen, Color.White, "Width"); // width
                    control.AddRange(2, 2, Color.SeaGreen, Color.White, "Height");      // height
                    control.AddRange(4, 2, Color.DeepPink, Color.White, "X-Offset");    // x offset
                    control.AddRange(6, 2, Color.HotPink, Color.White, "Y-Offset");     // y offset

                    pointer = new int[width];

                    for (int i = 0; i < width; i++)
                    {
                        int index;

                        index      = 8 + (i * 4);
                        pointer[i] = WordHelpers.GetInt32Le(buffer, index);

                        control.AddRange(new HexViewer.ByteGroup
                        {
                            Start     = index,
                            Length    = 4,
                            ForeColor = Color.White,
                            BackColor = Color.Orange,
                            Pointer   = pointer[i],
                            Type      = "Pointer #" + i.ToString()
                        }); // column pointer
                    }

                    for (int i = 0; i < width; i++)
                    {
                        int  index;
                        byte length;
                        int  sourceIndex;

                        index       = pointer[i];
                        length      = buffer[index + 1];
                        sourceIndex = 8 + (i * 4);

                        // post
                        if (_showPrimaryPosts)
                        {
                            this.AddPost(control, index, length, sourceIndex, true);
                        }

                        if (length != 255)
                        {
                            index = this.IncrementColumn(buffer, index + 3, length);
                            //index += length + 4; // row, length, 2xunused, pixel data

                            if (buffer[index] == 255)
                            {
                                this.AddColumnEndMarker(control, index, pointer[i]);
                            }
                            else
                            {
                                while (true)
                                {
                                    length = buffer[index + 1];

                                    if (length == 255 || index + length + 4 > buffer.Length)
                                    {
                                        break;
                                    }
                                    else if (_showSecondaryPosts)
                                    {
                                        this.AddPost(control, index, length, sourceIndex, false);
                                    }

                                    index = this.IncrementColumn(buffer, index + 3, length);
                                    //  index += length + 4;

                                    if (buffer[index] == 255)
                                    {
                                        this.AddColumnEndMarker(control, index, pointer[i]);
                                        break;
                                    }
                                }
                            }
                        }
                    }
                }
            }

            control.Invalidate();
        }