/// <summary>
		/// Displays/updates a horizontal bar graph.
		/// </summary>
		/// <param name="index">
		/// The graph index to use.
		/// </param>
		/// <param name="style">
		/// The graph style to use.
		/// </param>
		/// <param name="startCol">
		/// The starting column for the graph (0 - 15).
		/// </param>
		/// <param name="endCol">
		/// The ending column for the graph (0 - 15).
		/// </param>
		/// <param name="len">
		/// The graph bar length (should be a value between startCol and endCol).
		/// </param>
		/// <param name="row">
		/// The row to place the bar graph in (0 or 1).
		/// </param>
		public void SetBarGraph(GraphIndices index, GraphStyle style, UInt16 startCol, UInt16 endCol, UInt16 len, UInt16 row) {
			// Make sure start and end columns are valid. Also make sure the row is legit.
			if (startCol < 0) {
				startCol = 0;
			}

			if (endCol < 0) {
				endCol = 0;
			}

			if (row < 0) {
				row = 0;
			}

			switch (this._type) {
				case DisplayType.SixteenByTwo:
					if (startCol > 15) {
						startCol = 15;
					}

					if (endCol > 15) {
						endCol = 15;
					}

					if (row > 1) {
						row = 1;
					}
					break;
				case DisplayType.TwentyByFour:
					if (startCol > 19) {
						startCol = 19;
					}

					if (endCol > 19) {
						endCol = 19;
					}

					if (row > 3) {
						row = 3;
					}
					break;
			}

			if (endCol <= startCol) {
				throw new IndexOutOfRangeException("End column must be greater than start column.");
			}

			// Create the command buffer with all params.
			Byte[] buf = new Byte[7];
			buf[0] = (Byte)CFCommand.CFHorizontalBarGraph;
			buf[1] = (Byte)index;
			buf[2] = (Byte)style;
			buf[3] = (Byte)startCol;
			buf[4] = (Byte)endCol;
			buf[5] = (Byte)len;
			buf[6] = (Byte)row;

			// Send the command and destroy the buffer.
			this.SendCommand(buf);
			Array.Clear(buf, 0, buf.Length);
		}
        /// <summary>
        /// Displays/updates a horizontal bar graph.
        /// </summary>
        /// <param name="index">
        /// The graph index to use.
        /// </param>
        /// <param name="style">
        /// The graph style to use.
        /// </param>
        /// <param name="startCol">
        /// The starting column for the graph (0 - 15).
        /// </param>
        /// <param name="endCol">
        /// The ending column for the graph (0 - 15).
        /// </param>
        /// <param name="len">
        /// The graph bar length (should be a value between startCol and endCol).
        /// </param>
        /// <param name="row">
        /// The row to place the bar graph in (0 or 1).
        /// </param>
        public void SetBarGraph(GraphIndices index, GraphStyle style, UInt16 startCol, UInt16 endCol, UInt16 len, UInt16 row)
        {
            // Make sure start and end columns are valid. Also make sure the row is legit.
            if (startCol < 0)
            {
                startCol = 0;
            }

            if (endCol < 0)
            {
                endCol = 0;
            }

            if (row < 0)
            {
                row = 0;
            }

            switch (this._type)
            {
            case DisplayType.SixteenByTwo:
                if (startCol > 15)
                {
                    startCol = 15;
                }

                if (endCol > 15)
                {
                    endCol = 15;
                }

                if (row > 1)
                {
                    row = 1;
                }
                break;

            case DisplayType.TwentyByFour:
                if (startCol > 19)
                {
                    startCol = 19;
                }

                if (endCol > 19)
                {
                    endCol = 19;
                }

                if (row > 3)
                {
                    row = 3;
                }
                break;
            }

            if (endCol <= startCol)
            {
                throw new IndexOutOfRangeException("End column must be greater than start column.");
            }

            // Create the command buffer with all params.
            Byte[] buf = new Byte[7];
            buf[0] = (Byte)CFCommand.CFHorizontalBarGraph;
            buf[1] = (Byte)index;
            buf[2] = (Byte)style;
            buf[3] = (Byte)startCol;
            buf[4] = (Byte)endCol;
            buf[5] = (Byte)len;
            buf[6] = (Byte)row;

            // Send the command and destroy the buffer.
            this.SendCommand(buf);
            Array.Clear(buf, 0, buf.Length);
        }