topical media & game development
basic-program-code-09-Ex9-09-Ex9-09.c
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basic-program-code-09-Ex9-09-Ex9-09.c
// Ex9_09.cpp
// Using a reference to call a virtual function
include <iostream>
include <GlassBox.h> // For CBox and CGlassBox
using std::cout;
using std::endl;
void Output(const CBox& aBox); // Prototype of function
int main()
{
CBox myBox(2.0, 3.0, 4.0); // Declare a base box
CGlassBox myGlassBox(2.0, 3.0, 4.0); // Declare derived box of same size
Output(myBox); // Output volume of base class object
Output(myGlassBox); // Output volume of derived class object
cout << endl;
return 0;
}
void Output(const CBox& aBox)
{
aBox.ShowVolume();
}
(C) Æliens
20/2/2008
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