On 4 Aug 98 at 17:15, Wei Xie wrote: > Concerning above question, I made the following code to see how to > get x and y, but it does not work. The reason seems that I can not > find the object of my class in TCanvas. Could you give me a little > more guidance ? The current TPad regards the distances those less then 5 pixel. So if your Int_t test::DistancetoPrimitive(Int_t px, Int_t py) { return TH1::DistancetoPrimitive(px, py); } returns the number > 5, TPad assumes your TObject is too far from the mouse pointer to be selected. Please check what that method does return for your case. Valery ================================================================= Dr. Valeri Faine (Fine) ------------------- Phone: +1 516 344 7806 Brookhaven National Laboratory FAX : +1 516 344 4206 Bldg. 510A /STAR mailto:fine@bnl.gov Upton, New York, 11973-5000 http://nicewww.cern.ch/~fine USA Dr. Valery Fine Telex : 911621 dubna su ----------- LCTA/Joint Inst.for Nuclear Res. Phone : +7 09621 6 40 80 141980 Dubna, Moscow region Fax : +7 09621 6 51 45 Russia mailto:fine@main1.jinr.dubna.su
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