public static Byte[] GetMap(MapRequest mapReq)
{
string filepath = @"D:\MyDocuments\pkumap\";
Bitmap tempbmp = new Bitmap(mapReq.Width, mapReq.Height);
for (int i = 0; i < mapReq.layers.Length; i++)
{
string filename = filepath + mapReq.layers[i] + ".shp";
Shapefile shp = new Shapefile(filename);
FeatureClass fc = shp.GetFeature();
tempbmp = fc.DrawBMP(mapReq.bbox, tempbmp, mapReq.styles[0]);
}
MemoryStream ms = new MemoryStream();
tempbmp.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
byte[] bitmapData = new Byte[ms.Length];
bitmapData = ms.ToArray();
return(bitmapData);
}