Use this

	myString = Convert::ToChar(MyVariable0);
	myString += Convert::ToChar(MyVariable1);
	myString += Convert::ToChar(MyVariable2);

If you get a problem with starting a string do this


	myString = Convert::ToString(Convert::ToChar(MyVariable0));
	myString += Convert::ToChar(MyVariable1);
	myString += Convert::ToChar(MyVariaqble2);