public Task <string> DoGeoprocessingThing(CancellationToken cts, BackgroundWorker worker)
{
System.Object obj = "";
Geoprocessor gp1 = new Geoprocessor();
GeoProcessor gp = new GeoProcessor();
gp1.OverwriteOutput = true;
try
{
// ################################################
// Working call to an existing ArcGIS Toolbox Tool:
CreateFileGDB createFileGdb = new CreateFileGDB();
createFileGdb.out_folder_path = "c:/temp";
createFileGdb.out_name = "tmp.gdb";
gp1.Execute(createFileGdb, null);
// ###############################################
// ###########################################
// This process will fail if you've already started ArcObjects by opening the form UI dialog
gp.AddToolbox(@"C:\temp\ArcObjectsIssue\HelloTest.tbx"); //path to your toolbox here!!!!!!!!!!!!!!!
IVariantArray parameters = new VarArrayClass();
parameters = new VarArrayClass();
parameters.Add("Hello Geoprocessing Tool with Python Script!");
gp.Execute("helloPython", parameters, null);
cts.ThrowIfCancellationRequested();
// ###########################################
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
Console.WriteLine(ReturnGpMessages(gp, obj)); //from a support library not shared here.
throw new Exception("yeah things went south");
}
finally
{
gp = null;
gp1 = null;
GC.Collect();
GC.WaitForPendingFinalizers();
}
return(null);
}
//利用quickexport进行数据转换 gdb-->dwg 有扩展属性的转换
private void QuickExportToDWG(string strSource, string strdwgFile, DCtype type, string strTemplate)
{
ITrackCancel pTrackCancel = null;
//找到tool
ESRI.ArcGIS.Geoprocessing.GeoProcessor _geoPro = new GeoProcessor();
pTrackCancel = new TrackCancelClass();
IVariantArray pVArray = new VarArrayClass();
IVariantArray parameters = new VarArrayClass();
//模板文件
string strT = "";
if (strTemplate != "")
{
strT = ",_TMPL," + strTemplate;// D:\南京\data\dddd.dwg
}
string strtoolName = "";
if (type == DCtype.HasXdata)
{
parameters.Add(strSource);
parameters.Add("ACAD," + strdwgFile);
parameters.Add("RUNTIME_MACROS,");
parameters.Add("_ATTRKIND,extended_entity_data,_REL,Release2000" + strT);
parameters.Add(",META_MACROS,");
parameters.Add("Dest_ATTRKIND,extended_entity_data,Dest_REL,Release2000" + strT);
parameters.Add(",METAFILE,ACAD,COORDSYS,,__FME_DATASET_IS_SOURCE__,false");
strtoolName = "QuickExport_interop";
}
else if (type == DCtype.NoXdata)
{
parameters.Add(strSource);
parameters.Add("ACAD," + strdwgFile);
parameters.Add("RUNTIME_MACROS,");
parameters.Add("_ATTRKIND,ignore,_REL,Release2000" + strT);
parameters.Add(",META_MACROS,");
parameters.Add("Dest_ATTRKIND,ignore,Dest_REL,Release2000" + strT);
parameters.Add(",METAFILE,ACAD,COORDSYS,,__FME_DATASET_IS_SOURCE__,false");
strtoolName = "QuickExport_interop";
}
else if (type == DCtype.FmeXdata)
{
string strTblPath = Application.StartupPath + "\\dc.tbx";
if (strTemplate == "")
{
parameters.Add(strSource);
parameters.Add(strdwgFile);
_geoPro.AddToolbox(strTblPath);
strtoolName = "SpatialETLTool";
}
else
{
parameters.Add(strSource);
parameters.Add(strdwgFile);
parameters.Add(strTemplate);
_geoPro.AddToolbox(strTblPath);
strtoolName = "SpatialETLTool";
}
}
else
{
return;
}
IGPEnvironmentManager pgpEnv = new GPEnvironmentManager();
IGPMessages pGpMessages; //= _geoPro.Validate(parameters, false, pgpEnv);
IGPComHelper pGPCOMHelper = new GpDispatch();
//这里是关键，如果不赋值的话，那么就会报错
//IGPEnvironmentManager pEnvMgr = pGPCOMHelper.EnvironmentManager;
//pgpEnv.PersistAll = true;
//pGpMessages = new GPMessagesClass();
// Execute the model tool by name.
_geoPro.Execute(strtoolName, parameters, pTrackCancel);
}