Arcengine, C #, a simple way to output raster pictures

<summary>

A simple way to map out raster pictures, returning the filename of the output by YL landgis@126.com

</summary>

<param name= "Pactiveview" ></param>

<returns></returns>

public static string Exportimage (Iactiveview pactiveview)

{

SaveFileDialog Psavefiledialog = new SaveFileDialog ();

Psavefiledialog.filter = "JPEG (*.jpg) |*.jpg| AI (*.ai) |*.ai| BMP (*. BMP) |*.bmp| EMF (*.emf) |*.emf| GIF (*.gif) |*.gif| PDF (*.pdf) |*.pdf| PNG (*.png) |*.png| EPS (*.eps) |*.eps| SVG (*.svg) |*.svg| TIFF (*.tif) |*.tif ";

Psavefiledialog.title = "Output map";

Psavefiledialog.restoredirectory = true;

Psavefiledialog.filterindex = 1;

if (Psavefiledialog.showdialog ()!= System.Windows.Forms.DialogResult.OK)

{

return null;

}

string FileName = Psavefiledialog.filename;

Iexport pexporter = null;

Switch (PSAVEFILEDIALOG.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 ("Output format error");

return null;

}

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 ();

Releasing resources

Psavefiledialog.dispose ();

System.Runtime.InteropServices.Marshal.ReleaseComObject (Pexporter);

return FileName;

}