It doesn’t work, but I think I can copy and paste it here.
void Test()
{
//=========Macro generated from canvas: test/test
//========= (Fri Oct 29 20:31:58 2021) by ROOT version 6.22/08
TCanvas *test = new TCanvas("test", "test",112,135,750,750);
test->Range(0,0,1,1);
test->SetFillColor(0);
test->SetBorderMode(0);
test->SetBorderSize(2);
test->SetFrameBorderMode(0);
TH1F *hInvMassDecay__5 = new TH1F("hInvMassDecay__5","Inv. Mass, Pion and Kaon, decay products",500,0.5,1.5);
hInvMassDecay__5->SetBinContent(78,1);
hInvMassDecay__5->SetBinContent(90,1);
hInvMassDecay__5->SetBinContent(91,1);
hInvMassDecay__5->SetBinContent(93,1);
hInvMassDecay__5->SetBinContent(96,1);
hInvMassDecay__5->SetBinContent(100,1);
hInvMassDecay__5->SetBinContent(101,1);
hInvMassDecay__5->SetBinContent(102,2);
hInvMassDecay__5->SetBinContent(103,3);
hInvMassDecay__5->SetBinContent(104,2);
hInvMassDecay__5->SetBinContent(105,1);
hInvMassDecay__5->SetBinContent(106,1);
hInvMassDecay__5->SetBinContent(107,4);
hInvMassDecay__5->SetBinContent(108,5);
hInvMassDecay__5->SetBinContent(109,4);
hInvMassDecay__5->SetBinContent(110,1);
hInvMassDecay__5->SetBinContent(111,3);
hInvMassDecay__5->SetBinContent(112,4);
hInvMassDecay__5->SetBinContent(113,9);
hInvMassDecay__5->SetBinContent(114,6);
hInvMassDecay__5->SetBinContent(115,7);
hInvMassDecay__5->SetBinContent(116,9);
hInvMassDecay__5->SetBinContent(117,13);
hInvMassDecay__5->SetBinContent(118,12);
hInvMassDecay__5->SetBinContent(119,17);
hInvMassDecay__5->SetBinContent(120,16);
hInvMassDecay__5->SetBinContent(121,13);
hInvMassDecay__5->SetBinContent(122,23);
hInvMassDecay__5->SetBinContent(123,14);
hInvMassDecay__5->SetBinContent(124,19);
hInvMassDecay__5->SetBinContent(125,26);
hInvMassDecay__5->SetBinContent(126,24);
hInvMassDecay__5->SetBinContent(127,43);
hInvMassDecay__5->SetBinContent(128,36);
hInvMassDecay__5->SetBinContent(129,43);
hInvMassDecay__5->SetBinContent(130,35);
hInvMassDecay__5->SetBinContent(131,56);
hInvMassDecay__5->SetBinContent(132,55);
hInvMassDecay__5->SetBinContent(133,67);
hInvMassDecay__5->SetBinContent(134,90);
hInvMassDecay__5->SetBinContent(135,63);
hInvMassDecay__5->SetBinContent(136,86);
hInvMassDecay__5->SetBinContent(137,96);
hInvMassDecay__5->SetBinContent(138,107);
hInvMassDecay__5->SetBinContent(139,131);
hInvMassDecay__5->SetBinContent(140,135);
hInvMassDecay__5->SetBinContent(141,144);
hInvMassDecay__5->SetBinContent(142,180);
hInvMassDecay__5->SetBinContent(143,150);
hInvMassDecay__5->SetBinContent(144,156);
hInvMassDecay__5->SetBinContent(145,188);
hInvMassDecay__5->SetBinContent(146,257);
hInvMassDecay__5->SetBinContent(147,232);
hInvMassDecay__5->SetBinContent(148,254);
hInvMassDecay__5->SetBinContent(149,259);
hInvMassDecay__5->SetBinContent(150,300);
hInvMassDecay__5->SetBinContent(151,314);
hInvMassDecay__5->SetBinContent(152,329);
hInvMassDecay__5->SetBinContent(153,369);
hInvMassDecay__5->SetBinContent(154,346);
hInvMassDecay__5->SetBinContent(155,449);
hInvMassDecay__5->SetBinContent(156,415);
hInvMassDecay__5->SetBinContent(157,420);
hInvMassDecay__5->SetBinContent(158,459);
hInvMassDecay__5->SetBinContent(159,517);
hInvMassDecay__5->SetBinContent(160,564);
hInvMassDecay__5->SetBinContent(161,622);
hInvMassDecay__5->SetBinContent(162,635);
hInvMassDecay__5->SetBinContent(163,691);
hInvMassDecay__5->SetBinContent(164,713);
hInvMassDecay__5->SetBinContent(165,759);
hInvMassDecay__5->SetBinContent(166,798);
hInvMassDecay__5->SetBinContent(167,805);
hInvMassDecay__5->SetBinContent(168,821);
hInvMassDecay__5->SetBinContent(169,787);
hInvMassDecay__5->SetBinContent(170,951);
hInvMassDecay__5->SetBinContent(171,976);
hInvMassDecay__5->SetBinContent(172,1058);
hInvMassDecay__5->SetBinContent(173,1058);
hInvMassDecay__5->SetBinContent(174,1113);
hInvMassDecay__5->SetBinContent(175,1137);
hInvMassDecay__5->SetBinContent(176,1117);
hInvMassDecay__5->SetBinContent(177,1220);
hInvMassDecay__5->SetBinContent(178,1220);
hInvMassDecay__5->SetBinContent(179,1263);
hInvMassDecay__5->SetBinContent(180,1346);
hInvMassDecay__5->SetBinContent(181,1283);
hInvMassDecay__5->SetBinContent(182,1343);
hInvMassDecay__5->SetBinContent(183,1341);
hInvMassDecay__5->SetBinContent(184,1404);
hInvMassDecay__5->SetBinContent(185,1352);
hInvMassDecay__5->SetBinContent(186,1440);
hInvMassDecay__5->SetBinContent(187,1570);
hInvMassDecay__5->SetBinContent(188,1577);
hInvMassDecay__5->SetBinContent(189,1541);
hInvMassDecay__5->SetBinContent(190,1576);
hInvMassDecay__5->SetBinContent(191,1555);
hInvMassDecay__5->SetBinContent(192,1524);
hInvMassDecay__5->SetBinContent(193,1518);
hInvMassDecay__5->SetBinContent(194,1537);
hInvMassDecay__5->SetBinContent(195,1569);
hInvMassDecay__5->SetBinContent(196,1620);
hInvMassDecay__5->SetBinContent(197,1554);
hInvMassDecay__5->SetBinContent(198,1658);
hInvMassDecay__5->SetBinContent(199,1611);
hInvMassDecay__5->SetBinContent(200,1561);
hInvMassDecay__5->SetBinContent(201,1564);
hInvMassDecay__5->SetBinContent(202,1583);
hInvMassDecay__5->SetBinContent(203,1554);
hInvMassDecay__5->SetBinContent(204,1523);
hInvMassDecay__5->SetBinContent(205,1579);
hInvMassDecay__5->SetBinContent(206,1457);
hInvMassDecay__5->SetBinContent(207,1449);
hInvMassDecay__5->SetBinContent(208,1437);
hInvMassDecay__5->SetBinContent(209,1505);
hInvMassDecay__5->SetBinContent(210,1364);
hInvMassDecay__5->SetBinContent(211,1295);
hInvMassDecay__5->SetBinContent(212,1324);
hInvMassDecay__5->SetBinContent(213,1293);
hInvMassDecay__5->SetBinContent(214,1231);
hInvMassDecay__5->SetBinContent(215,1204);
hInvMassDecay__5->SetBinContent(216,1126);
hInvMassDecay__5->SetBinContent(217,1170);
hInvMassDecay__5->SetBinContent(218,1031);
hInvMassDecay__5->SetBinContent(219,1065);
hInvMassDecay__5->SetBinContent(220,1035);
hInvMassDecay__5->SetBinContent(221,1040);
hInvMassDecay__5->SetBinContent(222,926);
hInvMassDecay__5->SetBinContent(223,887);
hInvMassDecay__5->SetBinContent(224,848);
hInvMassDecay__5->SetBinContent(225,817);
hInvMassDecay__5->SetBinContent(226,833);
hInvMassDecay__5->SetBinContent(227,749);
hInvMassDecay__5->SetBinContent(228,706);
hInvMassDecay__5->SetBinContent(229,641);
hInvMassDecay__5->SetBinContent(230,633);
hInvMassDecay__5->SetBinContent(231,625);
hInvMassDecay__5->SetBinContent(232,596);
hInvMassDecay__5->SetBinContent(233,552);
hInvMassDecay__5->SetBinContent(234,540);
hInvMassDecay__5->SetBinContent(235,510);
hInvMassDecay__5->SetBinContent(236,453);
hInvMassDecay__5->SetBinContent(237,447);
hInvMassDecay__5->SetBinContent(238,397);
hInvMassDecay__5->SetBinContent(239,386);
hInvMassDecay__5->SetBinContent(240,358);
hInvMassDecay__5->SetBinContent(241,328);
hInvMassDecay__5->SetBinContent(242,303);
hInvMassDecay__5->SetBinContent(243,278);
hInvMassDecay__5->SetBinContent(244,267);
hInvMassDecay__5->SetBinContent(245,224);
hInvMassDecay__5->SetBinContent(246,219);
hInvMassDecay__5->SetBinContent(247,197);
hInvMassDecay__5->SetBinContent(248,190);
hInvMassDecay__5->SetBinContent(249,174);
hInvMassDecay__5->SetBinContent(250,159);
hInvMassDecay__5->SetBinContent(251,161);
hInvMassDecay__5->SetBinContent(252,155);
hInvMassDecay__5->SetBinContent(253,107);
hInvMassDecay__5->SetBinContent(254,120);
hInvMassDecay__5->SetBinContent(255,116);
hInvMassDecay__5->SetBinContent(256,91);
hInvMassDecay__5->SetBinContent(257,89);
hInvMassDecay__5->SetBinContent(258,58);
hInvMassDecay__5->SetBinContent(259,73);
hInvMassDecay__5->SetBinContent(260,71);
hInvMassDecay__5->SetBinContent(261,59);
hInvMassDecay__5->SetBinContent(262,39);
hInvMassDecay__5->SetBinContent(263,53);
hInvMassDecay__5->SetBinContent(264,45);
hInvMassDecay__5->SetBinContent(265,43);
hInvMassDecay__5->SetBinContent(266,26);
hInvMassDecay__5->SetBinContent(267,43);
hInvMassDecay__5->SetBinContent(268,21);
hInvMassDecay__5->SetBinContent(269,28);
hInvMassDecay__5->SetBinContent(270,26);
hInvMassDecay__5->SetBinContent(271,20);
hInvMassDecay__5->SetBinContent(272,17);
hInvMassDecay__5->SetBinContent(273,13);
hInvMassDecay__5->SetBinContent(274,16);
hInvMassDecay__5->SetBinContent(275,12);
hInvMassDecay__5->SetBinContent(276,15);
hInvMassDecay__5->SetBinContent(277,8);
hInvMassDecay__5->SetBinContent(278,9);
hInvMassDecay__5->SetBinContent(279,7);
hInvMassDecay__5->SetBinContent(280,5);
hInvMassDecay__5->SetBinContent(281,6);
hInvMassDecay__5->SetBinContent(282,3);
hInvMassDecay__5->SetBinContent(283,6);
hInvMassDecay__5->SetBinContent(284,3);
hInvMassDecay__5->SetBinContent(285,3);
hInvMassDecay__5->SetBinContent(286,2);
hInvMassDecay__5->SetBinContent(288,1);
hInvMassDecay__5->SetBinContent(289,1);
hInvMassDecay__5->SetBinContent(290,1);
hInvMassDecay__5->SetBinContent(291,4);
hInvMassDecay__5->SetBinContent(293,1);
hInvMassDecay__5->SetBinContent(294,2);
hInvMassDecay__5->SetBinContent(295,1);
hInvMassDecay__5->SetEntries(100466);
TPaveStats *ptstats = new TPaveStats(0.78,0.775,0.98,0.935,"brNDC");
ptstats->SetName("stats");
ptstats->SetBorderSize(1);
ptstats->SetFillColor(0);
ptstats->SetTextAlign(12);
ptstats->SetTextFont(42);
TText *ptstats_LaTex = ptstats->AddText("hInvMassDecay");
ptstats_LaTex->SetTextSize(0.0368);
ptstats_LaTex = ptstats->AddText("Entries = 100466 ");
ptstats_LaTex = ptstats->AddText("Mean = 0.8917");
ptstats_LaTex = ptstats->AddText("Std Dev = 0.05016");
ptstats->SetOptStat(1111);
ptstats->SetOptFit(0);
ptstats->Draw();
hInvMassDecay__5->GetListOfFunctions()->Add(ptstats);
ptstats->SetParent(hInvMassDecay__5);
Int_t ci; // for color index setting
TColor *color; // for color definition with alpha
ci = TColor::GetColor("#000099");
hInvMassDecay__5->SetLineColor(ci);
hInvMassDecay__5->GetXaxis()->SetLabelFont(42);
hInvMassDecay__5->GetXaxis()->SetTitleOffset(1);
hInvMassDecay__5->GetXaxis()->SetTitleFont(42);
hInvMassDecay__5->GetYaxis()->SetLabelFont(42);
hInvMassDecay__5->GetYaxis()->SetTitleFont(42);
hInvMassDecay__5->GetZaxis()->SetLabelFont(42);
hInvMassDecay__5->GetZaxis()->SetTitleOffset(1);
hInvMassDecay__5->GetZaxis()->SetTitleFont(42);
hInvMassDecay__5->Draw("");
test->Modified();
test->cd();
test->SetSelected(test);
}