注:outPicture -- Button按钮
savFileDialog1 -- 保存对话框控件
自带例子位置:
在ArcGIS安装路径下的Developerkit\SamplesNET\Engine\ExportActiveView\VBNet
自带的例子比下面的还好
//地图图片输出
private void outPicture_Click(object sender, EventArgs e)
{
saveFileDialog1.Filter = "JPEG(*.jpg)|*.jpg|BMP(*.BMP)|*.bmp|EMF(*.emf)|*.emf|GIF(*.gif)|*.gif|AI(*.ai)|*.ai|PDF(*.pdf)|*.pdf|PNG(*.png)|*.png|EPS(*.eps)|*.eps|SVG(*.svg)|*.svg|TIFF(*.tif)|*.tif";
saveFileDialog1.Title = "输出地图";
saveFileDialog1.RestoreDirectory = true;
saveFileDialog1.FilterIndex = 1;
saveFileDialog1.ShowDialog();
}
private void saveFileDialog1_FileOk(object sender, CancelEventArgs e)
{
string fileName = saveFileDialog1.FileName;
int filterIndex = saveFileDialog1.FilterIndex;
IActiveView pActiveView = axPageLayoutControl1.ActiveView;
//ExportPic exportPic = new ExportPic();
//bool flag = exportPic.ExportMapToImage(pActiveView,fileName,filterIndex);
bool flag = ExportMapToImage(pActiveView,fileName,filterIndex);
saveFileDialog1.Dispose();
if (flag)
{
MessageBox.Show("图片输出成功!", "成功");
}
else
{
MessageBox.Show("图片输出失败,请重新生成!", "失败");
}
}
public bool ExportMapToImage(IActiveView pActiveView,string fileName,int filterIndex)
{
try
{
IExport pExporter = null;
switch (filterIndex)
{
case 1:
pExporter = new ExportJPEGClass();
break;
case 2:
pExporter = new ExportBMPClass();
break;
case 3:
pExporter = new ExportEMFClass();
break;
case 4:
pExporter = new ExportGIFClass();
break;
case 5:
pExporter = new ExportAIClass();
break;
case 6:
pExporter = new ExportPDFClass();
break;
case 7:
pExporter = new ExportPNGClass();
break;
case 8:
pExporter = new ExportPSClass();
break;
case 9:
pExporter = new ExportSVGClass();
break;
case 10:
pExporter = new ExportTIFFClass();
break;
default:
MessageBox.Show("输出格式错误");
return false;
}
IEnvelope pEnvelope = new EnvelopeClass();
ITrackCancel pTrackCancel = new CancelTrackerClass();
tagRECT ptagRECT;
ptagRECT.left = 0;
ptagRECT.top = 0;
ptagRECT.right = (int)pActiveView.Extent.Width;
ptagRECT.bottom = (int)pActiveView.Extent.Height;
int pResolution = (int)(pActiveView.ScreenDisplay.DisplayTransformation.Resolution);
pEnvelope.PutCoords(ptagRECT.left, ptagRECT.bottom, ptagRECT.right, ptagRECT.top);
pExporter.Resolution = pResolution;
pExporter.ExportFileName = fileName;
pExporter.PixelBounds = pEnvelope;
pActiveView.Output(pExporter.StartExporting(), pResolution, ref ptagRECT, pActiveView.Extent, pTrackCancel);
pExporter.FinishExporting();
//释放资源
System.Runtime.InteropServices.Marshal.ReleaseComObject(pExporter);
return true;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "输出图片", MessageBoxButtons.OK, MessageBoxIcon.Information);
return false;
}
}