ArcGIS Engine影像去黑边

/// <summary>
/// 影像去黑边
/// 实现ArcMap影像图层的图层属性（Layer Properties）对话框中，选择Symbology选项卡
/// 找到Display Background Value：（R，G，B）可选框勾选上
/// 设置RGB的值均为0，设置颜色显示为No color。
/// </summary>
/// <param name="pRasterLayer"></param>
public static void RasterBackgroundDisplay(IRasterLayer pRasterLayer)
{
IRasterRGBRenderer2 m_pRasterRGBRenderer = pRasterLayer.Renderer as IRasterRGBRenderer2;
IRasterStretch2 pRasterStretch2 = m_pRasterRGBRenderer as IRasterStretch2;
double[] value = new double[3] { 0.0, 0.0, 0.0 };
pRasterStretch2.BackgroundValue = value;
pRasterStretch2.Background = true;//这个为true后，就打钩上了
}