摘要： 1 ILayer pLayer = axMapControl1.get_Layer(0);2 ILayerEffects pLayerEffects = (ILayerEffects)pLayer;3 pLayerEffects.Transparency = (short)0;4 5 axMapControl1.ActiveView.Refresh();pLayerEffects.Transparency值为0时，图层不透明；pLayerEffects.Transparency值为100时，图层完全透明。http://bbs.esrichina-bj.cn/ESRI/viewthread.ph 阅读全文