public void setCodeToTheTree(string code, HuffmanNode Nodes)
{
if (Nodes == null)
{
return;
}
if (Nodes.leftNode == null && Nodes.rightNode == null)
{
Nodes.code = code;
return;
}
setCodeToTheTree(code + "0", Nodes.leftNode);
setCodeToTheTree(code + "1", Nodes.rightNode);
}