{

	TMultiGraph* mg = new TMultiGraph("test","test");
	TCanvas* canvas = new TCanvas("testC","testC");

/*
	double X[2] = { 0, 1};
	double Y[2] = { 0, 1};
	TGraph* g = new TGraph(2,X,Y);

	mg->Add(g);
*/

	canvas->cd();
	mg->Draw("A");
	gPad->Update();
	mg->GetXaxis()->SetTitle("toto");	
	mg->Draw("A");
	gPad->Update();


}