Arcobjects SDK C# - Export MXD to PNG

NicolasFaget1 — Mon, 18 Apr 2016 10:12:54 GMT

Hi everyone,

I have a problem with Arcobjects SDK C#. I want to export a MXD to PDF, AI and PNG.

The PDF and AI Export works fine but not the PNG Export.

When I export to PNG, I have this error : Exception de HRESULT : 0x80040334

My call :

IMapDocument pMapDoc = new MapDocument();

pMapDoc.Open(folderFileMXD + nameFile + ".mxd");

IActiveView m_ActiveView = pMapDoc.ActiveView;

ExportActiveViewParameterized(nameFile, m_ActiveView, 300, 1, "PNG", folderFilePNG, false);

My function :

private static void ExportActiveViewParameterized(string fileName, IActiveView docActiveView, int iOutputResolution, int lResampleRatio, string ExportType, string sOutputDir, Boolean bClipToGraphicsExtent)

{

try

{

IExport docExport;

IPrintAndExport docPrintExport;

IOutputRasterSettings RasterSettings;

// The Export*Class() type initializes a new export class of the desired type.

if (ExportType == "PDF")

{

docExport = new ExportPDFClass();

}

else if (ExportType == "AI")

{

docExport = new ExportAIClass();

}

else if (ExportType == "PNG")

{

docExport = new ExportPNGClass();

}

else

{

ExportType = "EMF";

docExport = new ExportEMFClass();

}

docPrintExport = new PrintAndExportClass();

docExport.ExportFileName = sOutputDir + fileName + "." + docExport.Filter.Split('.')[1].Split('|')[0].Split(')')[0];

//// check if export is vector or raster

if (docExport is IOutputRasterSettings)

{

// for vector formats, assign the desired ResampleRatio to control drawing of raster layers at export time

RasterSettings = (IOutputRasterSettings)docExport;

RasterSettings.ResampleRatio = (int)lResampleRatio;

}

docPrintExport.Export(docActiveView, docExport, 300, bClipToGraphicsExtent, null);

}

catch (Exception e)

{

Log.Error("FAILURE");

Log.Error(e.Message);

Log.Error(e.StackTrace);

}

Do you have an idea of the problem ?

Thanks in advance

Re: Arcobjects SDK C# - Export MXD to PNG

DuncanHornby — Thu, 28 Apr 2016 10:37:02 GMT

Looking at the API help file the IOutputRasterSettings interface is not implemented by ExportPNG class. May be that is the issue?

Re: Arcobjects SDK C# - Export MXD to PNG

YuanLiu — Wed, 18 May 2016 17:06:39 GMT

I tested this code snippet and both PDF and PNG worked well for me. Though typically it is recommended to activate the active view before use (please refer to http://resources.arcgis.com/en/help/arcobjects-net/componenthelp/index.html#//0012000008m6000000), seems like this is not the issue for you here. I would recommend to test it in ArcMap add-in first. You may also try with other mxd files.

Re: Arcobjects SDK C# - Export MXD to PNG

NicolasFaget1 — Thu, 29 Sep 2016 09:44:59 GMT

Sorry for my late answer. It works.

Thank you very much.

Re: Arcobjects SDK C# - Export MXD to PNG

DuncanHornby — Thu, 29 Sep 2016 10:10:19 GMT

What did you do? It would be useful for others to know how you solved it rather than just saying "it works".

Re: Arcobjects SDK C# - Export MXD to PNG

NicolasFaget1 — Thu, 29 Sep 2016 10:19:20 GMT

You have right.

I jave used this example : arcobjects-sdk-community-samples/ExportActiveViewCS_Net.cs at master · Esri/arcobjects-sdk-community-samples · GitHub

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