Defines top level windows that interact with the system Window Manager.
virtual void CloseWindow()
Close and delete main frame.
TGNumberEntry is a number entry input widget with up/down buttons.
void DrawNode(TMVA::DecisionTreeNode *n, Double_t x, Double_t y, Double_t xscale, Double_t yscale, TString *vars)
recursively puts an entries in the histogram for the node and its daughters