trystrtodouble

function trystrtodouble(

  const s: lstringty;

  out value: Double;

  const decimalseparator: char

):Boolean; overload;

function trystrtodouble(

  const s: lmsestringty;

  out value: Double;

  const decimalseparator: msechar

):Boolean; overload;

function trystrtodouble(

  const s: string;

  out value: Double;

  const decimalseparator: char

):Boolean; overload;

function trystrtodouble(

  const s: msestring;

  out value: Double;

  const decimalseparator: msechar

):Boolean; overload;

function trystrtodouble(

  const s: string;

  out value: Double

):Boolean; overload;

function trystrtodouble(

  const s: msestring;

  out value: Double

):Boolean; overload;