Hi, I have a work-around already, but thought I would report some "interesting" behavior. Maybe the problem is in my code somewhere, but I can't find it. I have a simple tree, with ObjDate ddatetime Double_t dprice Double_t dvol When I click on dvol in the TBrowser, I get a nice histogram. When I click on dprice, I get a complaint about my object: Warning in <TSelectorDraw::ProcessFillObject>: Not implemented for ObjDate Why? I didn't even click on my object! When I click the folder that represents my object, all the Double_t and Int_t values provide a nice histogram when I double-click. There are only Double_t and Int_t values in the object. My solution, for today, is to change the names of dprice and dvol so that they appear *first* in alphabetical order. Now all works properly with aprice and avol...but I'm worried about the problem I have hidden, maybe in my code, maybe in root... - John
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