using backgroundworker get xref file names

[Anonymous]

Hi,

working on backgoundworker using autocad library dll. need to get xreffiles from a file where I need to use database services. I am not able to get databaseservices please suggest what dlls required to be added to get xref names from file.

Thanks

Haritha

[ActivistInvestor]

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@Anonymous wrote:

Hi,

working on backgoundworker using autocad library dll. need to get xreffiles from a file where I need to use database services. I am not able to get databaseservices please suggest what dlls required to be added to get xref names from file.

Thanks

Haritha

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You cannot use the AutoCAD .NET API from a BackgroundWorker (or from any thread started by your code), because a great deal of the API is not thread-safe.

[Anonymous]

BlockTable bt = tr.GetObject(db.BlockTableId, OpenMode.ForRead)
                    as BlockTable;
                    foreach (ObjectId btrId in bt)
                    {
                        BlockTableRecord btr = tr.GetObject(btrId, OpenMode.ForRead)
                        as BlockTableRecord;
                        if (btr.IsFromExternalReference)
                        {
                            btr.UpgradeOpen();
                            String oldPath = btr.PathName;

how to get this xref path name by using backgroundworker. how to get blocktable.

Please reply if anyone already done.

Thanks

Y.Haritha