private void buttonX3_Click(object sender, EventArgs e){OpenFileDialog pOpenFileDialog = new OpenFileDialog();pOpenFileDialog.CheckFileExists = true;pOpenFileDialog.Title = "添加栅格文件";pOpenFileDialog.Filter = "栅格数据(*.tiff;*.tif;*.jpep;*.jpg;*.png;*.bmp)|*.tiff;*.tif;*.jpep;*.jpg;*.png;*.bmp";pOpenFileDialog.ShowDialog();string pRaterFileName = pOpenFileDialog.FileName;if (pRaterFileName == "")return;bool bl = false;int l = axmapControl.Map.LayerCount;string openlayerName = System.IO.Path.GetFileName(pRaterFileName);