转自：
http://www.cnblogs.com/mynama/default.html?page=1
IMap pMap = axMapControl1.Map;
IFeatureLayer pFeatLyr = (IFeatureLayer)axMapControl1.get_Layer(0);
IFeatureClass pFeatClass = pFeatLyr.FeatureClass;
IFeatureClassDescriptor pFClsDp = new FeatureClassDescriptorClass();
pFClsDp.Create(pFeatClass, null, "CODE");
IWorkspaceFactory pWsf = new RasterWorkspaceFactoryClass();
IWorkspace pWs = pWsf.OpenFromFile(@"E:\data\result", 0);
IConversionOp pConOp = new RasterConversionOpClass();
IRasterAnalysisEnvironment pRasterEn = pConOp as IRasterAnalysisEnvironment;
object oo = 200;
pRasterEn.SetCellSize(esriRasterEnvSettingEnum.esriRasterEnvValue, ref oo);
IRasterDataset pRDataset = pConOp.ToRasterDataset(pFClsDp as IGeoDataset, "GRID", pWs, "raster");
IRasterLayer pRlyr = new RasterLayerClass();
pRlyr.CreateFromDataset(pRDataset);
pMap.AddLayer(pRlyr as ILayer);
http://www.cnblogs.com/mynama/default.html?page=1
IMap pMap = axMapControl1.Map; IFeatureLayer pFeatLyr = (IFeatureLayer)axMapControl1.get_Layer(0); IFeatureClass pFeatClass = pFeatLyr.FeatureClass; IFeatureClassDescriptor pFClsDp = new FeatureClassDescriptorClass(); pFClsDp.Create(pFeatClass, null, "CODE"); IWorkspaceFactory pWsf = new RasterWorkspaceFactoryClass(); IWorkspace pWs = pWsf.OpenFromFile(@"E:\data\result", 0); IConversionOp pConOp = new RasterConversionOpClass(); IRasterAnalysisEnvironment pRasterEn = pConOp as IRasterAnalysisEnvironment; object oo = 200; pRasterEn.SetCellSize(esriRasterEnvSettingEnum.esriRasterEnvValue, ref oo); IRasterDataset pRDataset = pConOp.ToRasterDataset(pFClsDp as IGeoDataset, "GRID", pWs, "raster"); IRasterLayer pRlyr = new RasterLayerClass(); pRlyr.CreateFromDataset(pRDataset); pMap.AddLayer(pRlyr as ILayer);