ArcGIS 栅格数据已加载后的获取

 1 using ESRI.ArcGIS.Controls;
 2 using ESRI.ArcGIS.Carto;
 3 using ESRI.ArcGIS.esriSystem;
 4 using ESRI.ArcGIS.DataSourcesRaster;
 5 using ESRI.ArcGIS.SpatialAnalystTools;
 6 using ESRI.ArcGIS.Geodatabase;//IRaster
 7 using ESRI.ArcGIS.Display;//IRasterLayer
 8 
 9  if (DHmapcontrol.LayerCount == 0)//DHmapcontrol为mapcontrol控件
10             {
11                 MessageBox.Show("请添加栅格图层");
12             }
13             else 
14             { 
15                 string layername = DHmapcontrol.Map.Layer[0].Name; MessageBox.Show(layername);//图层名称
16 
17                 IRasterLayer rasterlayer = new RasterLayerClass();
18                 rasterlayer = (IRasterLayer)DHmapcontrol.Map.Layer[0];
19                 IRaster raster = rasterlayer.Raster;
20                 IRasterProps rasterprops = (IRasterProps)raster;
21                 int height = rasterprops.Height;//栅格行
22                 int width = rasterprops.Width;//栅格列
23                 long cont = height * width;//栅格总数
24                 MessageBox.Show(Convert.ToString(cont));
25 
26             }