Strange behaviour when stepping through CLR code

Dear Sir!

Please copy the following code into a C++ CLR project and add a breakpoint in the Contains() method. Then step through the code and note how the cursor jumps between the lines.

It seams that the code is executed correctly, but the cursor feedback really does not make much sense. The cursor jumps back and forth somewhat unrelated to the source code logic.

Kind regards

Dag Sanna

<Code start>

#include "stdafx.h"

#include <string>

#include <vector>

using namespace System;

class StringList

private:

public:

mStringList = new std::vector<std::string*>();

int StringList::AddText(std::string* aText)

// Check if the text already exists

if (Contains(aText))

return 1;

return 0;

bool StringList::Contains(std::string* aText)

printf("Line1\n");

printf("Line3\n");

for ( iter = mStringList->begin(); iter != mStringList->end(); iter++ )

printf("Line6\n");

if ( !(*iter)->compare(*aText) )

printf("Line9\n");

return true;

printf("Line12\n");

printf("Line14\n");

return false;

int main(array<System::String ^> ^args)

StringList* sl = new StringList();

sl->AddText(new std::string("Text1"));

sl->AddText(new std::string("Text2"));

sl->AddText(new std::string("Text3"));

sl->AddText(new std::string("Text2"));

sl->AddText(new std::string("Text4"));

Console::WriteLine(L"Hello World");

return 0;

<Code end>