C / C++ / MFC

LRESULT MyWeBrowser::PostMessage( UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL & bParsed )
{
	switch( uMsg ) {
	case WM_KEYDOWN:
	{
		if (wParam == VK_RETURN) {
			MessageBoxW(this->m_Hwnd,L"hello",L"hello",MB_OK);
		}
	}
	break;
	}
}

#include <iomanip>
#include <iostream>
using std::cout;
using std::endl;
class CBox // Class definition at global scope
{
public:
double m_Length; // Length of a box in inches
double m_Width; // Width of a box in inches
double m_Height; // Height of a box in inches
};
int main()
{
CBox box1; // Declare box1 of type CBox
CBox box2; // Declare box2 of type CBox
CBox box3; // Declare box3 of type CBox
double boxVolume1 = 0.0; // Stores the volume of a box1
double boxVolume3 = 0.0; // Stores the volume of a box3
double volumetotal = 0.0; 
box1.m_Height = 18.0; // Define the values
box1.m_Length = 78.0; // of the members of
box1.m_Width = 24.0; // the object box1
box2.m_Height = box1.m_Height - 10; // Define box2
box2.m_Length = box1.m_Length/2.0; // members in
box2.m_Width = 0.25*box1.m_Length; // terms of box1
box3.m_Height = 108.0; // Define the values
box3.m_Length = 32.0; // of the members of
box3.m_Width = 18.0; // the object box3
// Calculate volume of box1 and box3
boxVolume1 = box1.m_Height*box1.m_Length*box1.m_Width;
boxVolume3 = box3.m_Height*box3.m_Length*box3.m_Width;
cout << endl
<< "Volume of box1 = " << boxVolume1;
cout << endl
<< "Volume of box3 = " << boxVolume3;
cout << endl
<< "box2 has sides which total "
<< box2.m_Height+ box2.m_Length+ box2.m_Width
<< " inches.";
// Calculate total volume of all boxes
volumetotal = boxVolume1+boxVolume3;
cout << volumetotal;
cout << endl // Display the size of a box in memory
<< "A CBox object occupies "
<< sizeof volumetotal << " bytes.";
cout <<endl;
return 0;
}