C / C++ / MFC

BOOL CKeyboardStroke::PreTranslateMessage(MSG* pMsg) 
{
	 switch(pMsg->message) 
	 {   
	  case WM_KEYDOWN: 
		  {
			  if(GetKeyState(VK_CONTROL) && (pMsg->wParam == 0x43))
			  {
                                  CTest obj;
                                  obj.DoModal();
			  }
			  if(GetKeyState(VK_CONTROL) && (pMsg->wParam == 0x56))
			  {
				  AfxMessageBox(_T("ctrl V"));
			  }
		 }
	  }
	
	return CDialog::PreTranslateMessage(pMsg);
}

#include <iostream>
#include <assert.h>

using namespace std;

class Name
{
public:
	Name(const string t_) : t(t_) { }
	Name() { }
	Name(const Name & t_) : t(t_.t) { }
	Name & operator=(const string & rhs) { t = rhs; return *this; }
	operator const string & () const { return t; }
	operator string & () { return t; }
private:
	string t;
};

int main()
{
	Name n1 = "bananas", n2 = "bananas";
	assert(n1 == n2);	// Couldn't deduce template arg for string from Name
	assert(n1 == "bananas");	// No operator found for LH operand of type Name
}

BOOST_STRONG_TYPEDEF(string, S)
void f(S s) { }
int main() { S s = "abc"; f("def"); string str = s; }