Fórum SOMA DE MESES...? #175014

Procedure EntreDatas(DataFinal,DataInicial : TDate ; var Anos,Meses,Dias : Integer) ;
//
// Retorna a diferença em Dias,Meses e Anos entre 2 datas
//
  Function Calcula(Periodo : Integer) : Integer ;
  var
     intCont : Integer ;
  begin
    intCont := 0 ;
    Repeat
    Inc(intCont) ;
    DataFinal := IncMonth(DataFinal,Periodo * -1) ;
    Until DataFinal < DataInicial ;
    DataFinal := IncMonth(DataFinal,Periodo) ;
    Inc(intCont,-1) ;
    Result := intCont ;
  End ;
begin
  if DataFinal <= DataInicial then 
  begin
    Anos := 0 ;
    Meses := 0 ;
    Dias := 0 ;
    exit ;
  end;
  Anos := Calcula(12) ;
  Meses := Calcula(1) ;
  Dias := Round(DataFinal - DataInicial) ;
end;

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;

type
  TForm1 = class(TForm)
    Edit1: TEdit;
    Edit2: TEdit;
    Edit3: TEdit;
    Button1: TButton;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}
uses
  dateutils;

procedure TForm1.Button1Click(Sender: TObject);
begin
  if edit1.text <> ´´ then
    if edit2.Text <> ´´ then
      edit3.Text:=
      inttostr(monthsbetween(strtodate(edit1.Text), strtodate(edit2.text)));
end;

end.