StrToFloatDef

Prototype

FloatOutput:= StrToFloatDef (strInput, FloatDefault)

Description

It transforms the string assigned by parameter into real number. If the number cannot be converted the output is the default value

Parameters

StrInput: string to be transformed into real number.

floatDefault: Default Value

Returned value

FloatOutput: number obtained by conversion.

Notes

None.

Example

// It repeats the loop...

Repeat

// It asks user

StrValue:=ShowInputBox('Insert number from 0 to 1','Number','?');

// It converts the string value to float number

FloatValue:=StrToFloatDef(StrValue,-1.0);

// ... until the value is out of range

Until (FloatValue>=0.0) and (FloatValue<=1.0);