int EditField::Insert(int pos, const WString& itext)
{

	// omitted many unchanged lines
	//
	// the following test might need to be rewritten 
	// taking the Format/Scan effect into account
	//
	if(ins.GetCount() + text.GetCount() > maxlen) {
		BeepExclamation();
		return 0;
	}
	
	//changes ======================
	int len=text.GetLength();
	text.Insert(pos, ins);
	SetData(GetData()); // might be smarter way to achieve it
	len-=text.GetLength();
	Update();
	return -len;
}