Examples of errors detected by the V762 diagnostic

V762. Consider inspecting virtual function arguments. See NN argument of function 'Foo' in derived class and base class.

Notepad++

V762 It is possible a virtual function was overridden incorrectly. See first argument of function 'redraw' in derived class 'SplitterContainer' and base class 'Window'. splittercontainer.h 61

class Window
{
  ....
  virtual void display(bool toShow = true) const
  {
    ::ShowWindow(_hSelf, toShow ? SW_SHOW : SW_HIDE);
  }

  virtual void redraw(bool forceUpdate = false) const
  {
    ::InvalidateRect(_hSelf, nullptr, TRUE);
    if (forceUpdate)
      ::UpdateWindow(_hSelf);
  }
  ....
}

class SplitterContainer : public Window
{
  ....
  virtual void display(bool toShow = true) const; // <= good

  virtual void redraw() const;                    // <= error
  ....
}

Similar errors can be found in some other places:

• V762 It is possible a virtual function was overridden incorrectly. See third argument of function 'create' in derived class 'UserDefineDialog' and base class 'StaticDialog'. userdefinedialog.h 332
• V762 It is possible a virtual function was overridden incorrectly. See third argument of function 'create' in derived class 'FindReplaceDlg' and base class 'StaticDialog'. findreplacedlg.h 245
• V762 It is possible a virtual function was overridden incorrectly. See third argument of function 'create' in derived class 'GoToLineDlg' and base class 'StaticDialog'. gotolinedlg.h 45
• And 5 additional diagnostic messages.

MuseScore

V762 It is possible a virtual function was overridden incorrectly. See third argument of function 'adjustCanvasPosition' in derived class 'PianorollEditor' and base class 'MuseScoreView'. pianoroll.h 92

class MuseScoreView {
  ....
  virtual void adjustCanvasPosition(const Element*,
    bool /*playBack*/, int /*staffIdx*/ = 0) {};
  ....
}

class PianorollEditor : public QMainWindow, public MuseScoreView{
  ....
  virtual void adjustCanvasPosition(const Element*, bool);
  ....
}

class ScoreView : public QWidget, public MuseScoreView {
  ....
  virtual void adjustCanvasPosition(const Element* el,
    bool playBack, int staff = -1) override;
  ....
}

class ExampleView : public QFrame, public MuseScoreView {
  ....
  virtual void adjustCanvasPosition(const Element* el,
    bool playBack);
  ....
}

Ardour

V762 It is possible a virtual function was overridden incorrectly. See second argument of function 'set_mouse_mode' in derived class 'Editor' and base class 'PublicEditor'. editor.h 184

class PublicEditor : ....
{
  ....
  virtual void
   set_mouse_mode (Editing::MouseMode m, bool force = false) = 0;
  virtual void
   set_follow_playhead (bool yn, bool catch_up = false) = 0;
  ....
}

class Editor : public PublicEditor, ....
{
  ....
  void set_mouse_mode (Editing::MouseMode, bool force=true);
  void set_follow_playhead (bool yn, bool catch_up = true);
  ....
}

Command & Conquer

V762 It is possible a virtual function was overridden incorrectly. See first argument of function 'Occupy_List' in derived class 'BulletClass' and base class 'ObjectClass'. BULLET.H 90

class ObjectClass : public AbstractClass
{
  ....
  virtual short const * Occupy_List(bool placement=false) const; // <=
  virtual short const * Overlap_List(void) const;
  ....
};

class BulletClass : public ObjectClass,
                    public FlyClass,
                    public FuseClass
{
  ....
  virtual short const * Occupy_List(void) const;                 // <=
  virtual short const * Overlap_List(void) const {return Occupy_List();};
  ....
};

Similar errors can be found in some other places:

• V762 It is possible a virtual function was overridden incorrectly. See qualifiers of function 'Ok_To_Move' in derived class 'TurretClass' and base class 'DriveClass'. TURRET.H 76
• V762 It is possible a virtual function was overridden incorrectly. See fourth argument of function 'Help_Text' in derived class 'HelpClass' and base class 'DisplayClass'. HELP.H 55
• V762 It is possible a virtual function was overridden incorrectly. See first argument of function 'Draw_It' in derived class 'MapEditClass' and base class 'HelpClass'. MAPEDIT.H 187
• And 5 additional diagnostic messages.

CodeLite

V762 It is possible a virtual function was overridden incorrectly. See third argument of function 'Update' in derived class 'clProgressDlg' and base class 'wxGenericProgressDialog'. progress_dialog.h:47, progdlgg.h:44

class WXDLLIMPEXP_CORE wxGenericProgressDialog : public wxDialog
{
public:
  ....
  virtual bool Update(int value,
                      const wxString& newmsg = wxEmptyString,
                      bool *skip = NULL);
  ....
};

class clProgressDlg : public wxProgressDialog
{
public:
  ....
  bool Update(int value, const wxString& msg);
  ....
};

Similar errors can be found in some other places:

• V762 It is possible a virtual function was overridden incorrectly. See second argument of function 'Pulse' in derived class 'clProgressDlg' and base class 'wxGenericProgressDialog'. progress_dialog.h:48, progdlgg.h:45
• V762 It is possible a virtual function was overridden incorrectly. See qualifiers of function 'WantsErrors' in derived class 'DbgVarObjUpdate' and base class 'DbgCmdHandler'. dbgcmd.h:504, dbgcmd.h:59
• V762 It is possible a virtual function was overridden incorrectly. See first argument of function 'OnURL' in derived class 'ChangeLogPage' and base class 'ChangeLogPageBase'. changelogpage.h:51, subversion2_ui.h:351
• And 6 additional diagnostic messages.