how to have try catch on c++ code example

Example 1: throw exception c++

#include <stdexcept>
#include <limits>
#include <iostream>

using namespace std;

void MyFunc(int c)
{
    if (c > numeric_limits< char> ::max())
        throw invalid_argument("MyFunc argument too large.");
    //...
}

Example 2: c++ try

try {
	//do
} catch (...){
	//if error do
}