The bad_typeid C++ exception program example


Compiler: Visual C++ Express Edition 2005

Compiled on Platform: Windows XP Pro SP2

Header file: Standard

Additional project setting: Set project to be compiled as C++

Project -> your_project_name Properties -> Configuration Properties -> C/C++ -> Advanced -> Compiled As: Compiled as C++ Code (/TP)

Other info:

To do: Trying and catching the bad_typeid C++ exception

To show: The bad_typeid usage in C++ programming




// bad_typeid

#include <typeinfo>

#include <iostream>

using namespace std;


class Test



// object for a class needs vtable for the rtti


virtual ~Test();



int main(void)


Test *ptrvar = NULL;

try {

// the error condition



catch (bad_typeid)


cout<<"The object is NULL"<<endl;




Output example:


The object is NULL

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