topic Re: Releasing feature class after using MakeFeatureLayer in ArcObjects SDK Questions

Releasing feature class after using MakeFeatureLayer

ModyBuchbinder — Tue, 12 Nov 2013 13:57:22 GMT

I am using ArcObjects to call GP tools.
Most tools does not leave any locks and the data can be deleted after the tool is done.
The MakeFeatureLayer is different. It gets a feature class and return a string so there is no COM object I can release.
I did release the feature class and the workspace but the feature class is still locked.
I tried to cast the IGeoProcessorResult.getOutput into ILayer so I can release it but it fail.
I know I can get the feature class using DecodeFeatureLayer but it does not help me to clean up.
I am using MakeFeatureLayer, do something with that layer and then would like to delete the feature class.

Please help

Re: Releasing feature class after using MakeFeatureLayer

JohnStephens — Tue, 12 Nov 2013 17:03:19 GMT

You might want to try forcing a garbage collect.

Re: Releasing feature class after using MakeFeatureLayer

DuncanHornby — Tue, 12 Nov 2013 18:41:56 GMT

Don't know if this will help but have a look at IGPUtilities.RemoveInternalLayer Method?

Re: Releasing feature class after using MakeFeatureLayer

ModyBuchbinder — Sun, 17 Nov 2013 04:48:51 GMT

The IGPUtilities.RemoveInternalLayer worked but even a better solution was to run the GP delete tool on the in memory layer.

Thanks
Mody