RasterImageDef - Exception thrown on trying to update .SourceFileName

[dawsonb]

I'm trying to update the .SourceFileName of the RasterImageDef object I have but when I try an exception is thrown by AutoCAD which is:

eFileAccessErr - 'Autodesk.AutoCAD.Runtime.Exception' occurred in AcdbMgd.dll but was not handled in user code

The code is below, any suggestions to stop the exception - Currently working with A2015 but installing A2017 to test as well.

using (Transaction transaction = database.TransactionManager.StartTransaction())
            {
                ObjectId imageDictionaryId = RasterImageDef.GetImageDictionary(database);
                if (!imageDictionaryId.IsNull)
                {
                    DBDictionary dBDictionary = transaction.GetObject(imageDictionaryId, OpenMode.ForRead) as DBDictionary;
                    foreach (DBDictionaryEntry entry in dBDictionary)
                    {
                        RasterImageDef rasterImageDef = transaction.GetObject(entry.Value, OpenMode.ForWrite) as RasterImageDef;
                        if (rasterImageDef != null)
                        {
                            // rasterImageDef.UpgradeOpen();
                            rasterImageDef.SourceFileName = "dawson.tif";
                        }
                    }
                    transaction.Commit();
                }
            }

[norman.yuan · Accepted solution]

Have you tried to specify the image file with fully pathed file name instead of file name without path?

I'd even go further to test if the image file's existence before setting "SourceFileName" property:

If (File.Exists(@"C:\....\TheImage.tif"))

{

  rasterDef.SourceFileName=@"C:\...\TheImage.tif";

}

else

{

   //Do something if necessary. such as prompting user, raising exception...

}

[dawsonb · Accepted solution]

Thanks, the image file does have to be present in the folder otherwise the exception is thrown.