XCharts/Runtime/Internal/Misc/DelegateFunction.cs

namespace XCharts
{
    /// <summary>
    /// The delegate function for AxisLabel's formatter.
    /// AxisLabel的formatter自定义委托。
    /// </summary>
    /// <param name="labelIndex">label索引</param>
    /// <param name="value">当前label对应的数值数据，Value轴或Time轴有效</param>
    /// <param name="category">当前label对应的类目数据，Category轴有效</param>
    /// <returns>最终显示的文本内容</returns>
    public delegate string DelegateAxisLabelFormatter(int labelIndex, double value, string category);
    /// <summary>
    /// The delegate function for SerieLabel‘s formatter.
    /// SerieLabel的formatter自定义委托。
    /// </summary>
    /// <param name="dataIndex">数据索引</param>
    /// <param name="value">数值</param>
    /// <returns>最终显示的文本内容</returns>
    public delegate string DelegateSerieLabelFormatter(int dataIndex, double value);
}