'宣言
Public Class _ShowZeroValueBarDonutDataPointViewLayoutPlugin Inherits _BaseBarDonutDataPointViewLayout Implements IBarDonutDataPointViewLayout, IPlugin, IQueryInterface, IViewLayoutBuilder
public class _ShowZeroValueBarDonutDataPointViewLayoutPlugin : _BaseBarDonutDataPointViewLayout, IBarDonutDataPointViewLayout, IPlugin, IQueryInterface, IViewLayoutBuilder