ITextWriter.WriteLnDouble

Syntax

WriteLnDouble(Value: Double);

Parameters

Value. Real number that must be written.

Description

The WriteLnDouble method writes a real number into a text file with further cursor move to the next string.

Example

Sub UserProc;
Var
    f: IFileStream;
    TxtWriter: ITextWriter;
Begin
    f := New FileStream.Create("c:\File.txt", FileOpenMode.Create, FileShare.Exclusive);
    TxtWriter := New TextWriter.Create(f);
    TxtWriter.WriteString("Pi:");
    TxtWriter.WriteLnDouble(Math.Pi);
    TxtWriter.WriteString("Exp:");
    TxtWriter.WriteLnDouble(Math.Exp(1));
    TxtWriter.Flush;
    Dispose f;
End Sub UserProc;

On executing the example a new text file File.txt is created. Two strings are written to the file. The first string contains the Pi mathematical constant value and the second contains the exponential value.