c# - ArcObjects: Setting symbol levels doesn't seem to apply unless switched to advanced view -


using information provided on http://help.arcgis.com/en/sdk/10.0/arcobjects_net/conceptualhelp/index.html#/d/00010000035w000000.htm i've been able set map levels on isymbol objects, unsure if it's working how expect. if i'm not in 'advanced view' (layer properties -> symbology -> advanced -> symbol levels -> , clicked 'switch advanced view') don't know sure if values set since if switch default advanced values reset 0-n. there seems flag gets set when toggle default advanced, , need set users able know values set and/or not accidentally reset values. have idea on toggles default/advanced view through arcobjects? documentation states default view's join , merge '... implemented behind scenes using symbol level objects , interfaces', there must way?


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