IBinaryWriter.WriteDouble

Syntax

WriteDouble(Value: Double);

Parameters

Value — real number that must be written.

Description

The WriteDouble method writes a real number into a binary file.

Example

Executing the example requires the 1.dat binary file to be present in the root of the disc C.

Sub UserProc;
Var
    File1: IFileInfo;
    BinW: IBinaryWriter;
Begin
    File1:=New FileInfo.Attach("c:\1.dat");
    If File1.Exists Then
        BinW:=File1.OpenBinaryWriter(True);
        BinW.WriteDouble(3.14);
    End If;
    Dispose File1;
End Sub UserProc;

After executing the example the number 3.14 is written into the 1.dat binary file.