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in c  , if I pass a CString to a function by reference and assign it to another CString it is truncated
void SomeFunction(CString& paramstring) //let's pretend we pass a string with the value "hello"
{
     int size=paramstring.GetLength(); //size now contains an incorrect shorter value like 4
     CString localstring=paramstring;//localstring contains something like "hell" or "hel"
}

#include <iostream>
#include <afx.h>
using namespace std;

//let's pretend we pass a string with the value "hello"
void fun(CString& paramstring)
{
    int size=paramstring.GetLength();
    cout<<"size= "<<size<<"n";
    CString localstring=paramstring;
    wcout<<"string = "<<(LPCTSTR)localstring<<"n";
}

int main()
{
    CString s ("Hello");
    fun(s);
}