Change text direction of TLatex

Consider this example:

 TCanvas * c = new TCanvas;
  TH1 * h = new TH1F("h", "h", 5, 0.0, 5.0);
  h -> Draw();
  TLatex * latex = new TLatex;
  latex -> DrawLatex(0.5, 0.5, "latex");
  latex -> SetTextAngle(45);

The output is

I set latex -> SetTextAngle(45); but apparently it hasn’t worked. What is wrong?

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I believe our graphics expert @couet will be able to provide an answer once he is back from vacation.

Shouldn’t the configuration (here, latex->SetTextAngle(45);) come before the Draw() action?

This macro works for me:

   TH1F *h = new TH1F("h","h",5,0,5);
   TLatex *   tex = new TLatex(.5,.5,"latex");

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