Convert a string to a floating point value.
Source position: syshelph.inc line 759
| public class function TDoubleHelper.Parse( | 
| const AString: string | 
| ):Double; overload; | 
| const AString: string; | 
| const AFormatSettings: TFormatSettings | 
| ):Double; overload; | 
Parse will try to convert AString to a Double-sized floating point value. It will take into account internationalization settings. (it uses FloatToStr).
If the string AString is not a valid floating-point value, a EConvertError exception is raised.
| 
 | Convert a float value to a string using a fixed format. | |
| 
 | Convert a Double-sized floating point value to a string. | |
| 
 | Try to convert a string to a Double-sized floating point value. |