How do I add data at the end of the Dictionary

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C++/CLI

Hi Friends,
below is my code snippet.

#include "stdafx.h"

#using "system.dll"
using namespace System;
using namespace System::Collections::Generic;


int _tmain(int argc, _TCHAR* argv[])
{
	
	Dictionary<string^,string^>^ storeDir = gcnew  Dictionary<string^,>();	

	storeDir->Add("G02"	,"G01");
	storeDir->Add("G23"	,"G02");
	storeDir->Add("G45"	,"G03");
	storeDir->Add("G55"	,"G04");

	for each (KeyValuePair<string^,> p in storeDir)
	{
		Console::WriteLine("{0} ==== {1}\n",p.Key,p.Value);
	}

	String^ StringstrtobeSearch =  "G55";
	String^ strgatevalue;

	if (storeDir->TryGetValue(StringstrtobeSearch,strgatevalue))
	{
		Console::WriteLine(strgatevalue);
	}
	storeDir->Remove("G23");
	Console::WriteLine("Remove data from Store Directory \n");
	for each (KeyValuePair<string^,> p in storeDir)
	{
		Console::WriteLine("{0} ==== {1}\n",p.Key,p.Value);
	}
	storeDir->Add("G23"	,"G02");

	Console::WriteLine("After adding again\n");
	for each (KeyValuePair<string^,> p in storeDir)
	{
		Console::WriteLine("{0} ==== {1}\n",p.Key,p.Value);
	}
	return 0;
}

I have a scenario where I have to remove "storeDir->Add("G23" ,"G02");" from Dictionary and then I have to add in such a way that
"storeDir->Add("G23" ,"G02");" should come at the end.
but here in the above example it always sort the directory.
is there any other container which i can use to achive my objectice ?