怎么把c:\photo\billPhoto转换为c:\\photo\\billPhoto

如何把c:\photo\billPhoto转换为c:\\photo\\billPhoto
如何把c:\photo\billPhoto转换为c:\\photo\\billPhoto

[解决办法]
void __fastcall TForm1::Button1Click(TObject *Sender)
{
AnsiString srcStr = "c:\\photo\\billPhoto ";
AnsiString newStr = StringReplace(srcStr, "\\ ", "\\\\ ",TReplaceFlags() < <rfReplaceAll);

ShowMessage(srcStr);
ShowMessage(newStr);
}