ILayerEffects接口用来设置一个要素图层的透明度，对比度，对比度

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ILayerEffects接口用来设置一个要素图层的透明度，对比度，对比度。以下代码片段演示如何设置要素图层特效：

ILayerEffects接口用来设置一个要素图层的透明度，对比度，对比度。以下代码片段演示如何设置要素图层特效：/// <summary>       /// 设置图层特效       /// </summary>       /// <param name="pFeatureLayer">要素图层</param>       /// <param name="brightness">亮度</param>       /// <param name="contrast">对比度</param>       /// <param name="transparency">透明度</param>       private static void SetLayerEffects(IFeatureLayer pFeatureLayer, short brightness, short contrast, short transparency)       {         ILayerEffects pLayerEffect = pFeatureLayer as ILayerEffects;         pLayerEffect.Brightness = brightness;         pLayerEffect.Contrast = contrast;         pLayerEffect.Transparency = transparency;       }