ILayer pLayer = this.axMapControl1.get_Layer(0);
if (pLayer is IFeatureLayer)//如果第一个图层时矢量图层
{
ILayerEffects pLayerEffects = pLayer as ILayerEffects;
pLayerEffects.Transparency = 65;//设置该矢量图层的透明度属性.
}
ILayer pLayer = this.axMapControl1.get_Layer(0);
if (pLayer is IFeatureLayer)//如果第一个图层时矢量图层
{
ILayerEffects pLayerEffects = pLayer as ILayerEffects;
pLayerEffects.Transparency = 65;//设置该矢量图层的透明度属性.
}