Вынести методы из классов Panel и PictureBox (явная реализация методов базовых абстрактных классов)

//===========================================================================//
class IPicture
{
public:
    virtual void Draw() = 0;
};
//===========================================================================//
class IBorder
{
public:
    virtual void Draw() = 0;
};
//===========================================================================//
class Panel : public IPicture, public IBorder
{
public:
    void IPicture::Draw()
    { cout << "Panel::IPicture::Draw()\n"; }
 
    void IBorder::Draw()
    { cout << "Panel::IBorder::Draw()\n"; }
};
//===========================================================================//
class PictureBox : public IPicture, public IBorder
{
public:
    void IPicture::Draw()
    { cout << "PictureBox::IPicture::Draw()\n"; }
 
    void IBorder::Draw()
    { cout << "PictureBox::IBorder::Draw()\n"; }
};
//===========================================================================//

void Panel::IPicture::Draw()
{ cout << "Panel::IPicture::Draw()\n"; }
 
void Panel::IBorder::Draw()
{ cout << "Panel::IBorder::Draw()\n"; }
 
void PictureBox::IPicture::Draw()
{ cout << "PictureBox::IPicture::Draw()\n"; }
 
void PictureBox::IBorder::Draw()
{ cout << "PictureBox::IBorder::Draw()\n"; }