topic Access InMemoryWorkspace from background thread in ArcObjects SDK Questions https://community.esri.com/t5/arcobjects-sdk-questions/access-inmemoryworkspace-from-background-thread/m-p/305464#M7942 <HTML><HEAD></HEAD><BODY><SPAN>Can you access an inmemoryworkspace created in the main thread from a background thread? (ArcGIS 9.3.1)</SPAN><BR /><BR /><SPAN>This works on the main thread, but throws an error : Object reference not set to an instance of an object, when trying to do this in the background thread.</SPAN><BR /><BR /><PRE class="plain" name="code"> IWorkspaceFactory workspaceFactory = new InMemoryWorkspaceFactoryClass(); IWorkspace wrkspc = workspaceFactory.OpenFromFile((string)hashtable["workspace"], 0);</PRE><DIV style="display:none;"> </DIV><BR /><BR /><SPAN>I would like to access this data inmemory instead of writing to a scratch workspace if possible. Any suggestions?</SPAN><BR /><BR /><SPAN>Thanks!</SPAN><BR /><SPAN>Amy</SPAN></BODY></HTML> Wed, 12 Oct 2011 23:40:13 GMT AmyRamsdell 2011-10-12T23:40:13Z Access InMemoryWorkspace from background thread https://community.esri.com/t5/arcobjects-sdk-questions/access-inmemoryworkspace-from-background-thread/m-p/305464#M7942 <HTML><HEAD></HEAD><BODY><SPAN>Can you access an inmemoryworkspace created in the main thread from a background thread? (ArcGIS 9.3.1)</SPAN><BR /><BR /><SPAN>This works on the main thread, but throws an error : Object reference not set to an instance of an object, when trying to do this in the background thread.</SPAN><BR /><BR /><PRE class="plain" name="code"> IWorkspaceFactory workspaceFactory = new InMemoryWorkspaceFactoryClass(); IWorkspace wrkspc = workspaceFactory.OpenFromFile((string)hashtable["workspace"], 0);</PRE><DIV style="display:none;"> </DIV><BR /><BR /><SPAN>I would like to access this data inmemory instead of writing to a scratch workspace if possible. Any suggestions?</SPAN><BR /><BR /><SPAN>Thanks!</SPAN><BR /><SPAN>Amy</SPAN></BODY></HTML> Wed, 12 Oct 2011 23:40:13 GMT https://community.esri.com/t5/arcobjects-sdk-questions/access-inmemoryworkspace-from-background-thread/m-p/305464#M7942 AmyRamsdell 2011-10-12T23:40:13Z