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In-memory workspace: how to check the existance of feature layer and tables?

Question asked by huangs3 on Jul 30, 2012
Latest reply on Jul 31, 2012 by huangs3
Hi Everybody:

    I am developing an ArcMap 10 (service pack 4) customize tool. I want to use in-memory workspace to hold some temporary data, but found that the in-memory workspace I created does not support IWorkspace2 interface such that I cannot use IWorkspace2.NameExists to check whether table or feature class is already created. Following is the screenshot of the Watch window showing this fact:

   Is there any alternative to check the existance of objects in the in-memory workspace?
   Thank you!