[DevExpress]ChartControl之滚动条示例

标签：style   blog   http   color   io   os   ar   sp   2014   

关键代码：

        /// <summary>
        /// 设置ChartControl滚动条【默认X,Y轴都出现】
        /// </summary>
        /// <param name="chart">ChartControl</param>
        /// <param name="backColor">滚动条背景颜色</param>
        /// <param name="barColor">滚动条颜色</param>
        /// <param name="borderColor">滚动条边框颜色</param>
        /// <param name="barThickness">滚动条宽度</param>
        public static ScrollBarOptions SetScrollBar(this ChartControl chart, Color backColor, Color barColor, Color borderColor, int barThickness)
        {
            XYDiagram _diagram = (XYDiagram)chart.Diagram;
            if (_diagram != null)
            {
                _diagram.EnableAxisXScrolling = true;
                _diagram.EnableAxisYScrolling = true;
                _diagram.EnableAxisXZooming = true;
                _diagram.EnableAxisYZooming = true;
                ScrollBarOptions _scrollBarOptions = _diagram.DefaultPane.ScrollBarOptions;
                _scrollBarOptions.BackColor = backColor;
                _scrollBarOptions.BarColor = barColor;
                _scrollBarOptions.BorderColor = borderColor;
                _scrollBarOptions.BarThickness = barThickness;
                return _scrollBarOptions;
            }
            return null;
        }
        /// <summary>
        /// 设置ChartControl X轴滚动条
        /// </summary>
        /// <param name="chart">ChartControl</param>
        /// <param name="backColor">滚动条背景颜色</param>
        /// <param name="barColor">滚动条颜色</param>
        /// <param name="borderColor">滚动条边框颜色</param>
        /// <param name="barThickness">滚动条宽度</param>
        /// <param name="barAlignment">滚动条位置</param>
        public static void SetAxisXScrollBar(this ChartControl chart, Color backColor, Color barColor, Color borderColor, int barThickness, ScrollBarAlignment barAlignment)
        {
            ScrollBarOptions _scrollBarOptions = SetScrollBar(chart, backColor, barColor, borderColor, barThickness);
            if (_scrollBarOptions != null)
            {
                _scrollBarOptions.XAxisScrollBarAlignment = barAlignment;
                _scrollBarOptions.XAxisScrollBarVisible = true;
                _scrollBarOptions.YAxisScrollBarVisible = false;
            }
        }
        /// <summary>
        /// 设置ChartControl Y轴滚动条
        /// </summary>
        /// <param name="chart">ChartControl</param>
        /// <param name="backColor">滚动条背景颜色</param>
        /// <param name="barColor">滚动条颜色</param>
        /// <param name="borderColor">滚动条边框颜色</param>
        /// <param name="barThickness">滚动条宽度</param>
        /// <param name="barAlignment">滚动条位置</param>
        public static void SetAxisYScrollBar(this ChartControl chart, Color backColor, Color barColor, Color borderColor, int barThickness, ScrollBarAlignment barAlignment)
        {
            ScrollBarOptions _scrollBarOptions = SetScrollBar(chart, backColor, barColor, borderColor, barThickness);
            if (_scrollBarOptions != null)
            {
                _scrollBarOptions.XAxisScrollBarVisible = false;
                _scrollBarOptions.YAxisScrollBarVisible = true;
                _scrollBarOptions.YAxisScrollBarAlignment = barAlignment;
            }
        }

运行效果：

希望有所帮助，谢谢！

[DevExpress]ChartControl之滚动条示例

标签：style   blog   http   color   io   os   ar   sp   2014   

原文地址：http://www.cnblogs.com/Yan-Zhiwei/p/4042419.html