[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] Reference for unit 'sysutils' (#rtl)

TDoubleHelper.TryParse

Try to convert a string to a Double-sized floating point value.

Declaration

Source position: syshelph.inc line 298

public class function TDoubleHelper.TryParse(

  const AString: string;

  out AValue: Double

):Boolean; overload;

class function TDoubleHelper.TryParse(

  const AString: string;

  out AValue: Double;

  const AFormatSettings: TFormatSettings

):Boolean; overload;

Description

TryParse attempts to convert the string AString to a Double-sized floating point value and reports True if the conversion was successful. In that case the parsed value is returned in AValue.

If the conversion failed, False is returned.

See also

TDoubleHelper.Parse

  

Convert a string to a floating point value

TDoubleHelper.ToString

  

Convert a Double-sized floating point value to a string


Documentation generated on: Jun 22 2020