Renommer feuille de calcul

Trouver :yaisse2:voici mon code pour cela il vous faudra les composants suivant :
3 SpeedButton
1 ListBox
1 OpenDialog
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unit Unit3;
 
interface
 
uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs,ComObj, StdCtrls, ComCtrls, Buttons, ExtCtrls;
 
type
  TForm3 = class(TForm)
    ListBox1: TListBox;
    OpenDialog1: TOpenDialog;
    ProgressBar1: TProgressBar;
    Panel1: TPanel;
    SpeedButton1: TSpeedButton;
    SpeedButton2: TSpeedButton;
    SpeedButton3: TSpeedButton;
    procedure Button1Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure SpeedButton1Click(Sender: TObject);
    procedure SpeedButton2Click(Sender: TObject);
    procedure SpeedButton3Click(Sender: TObject);
  private
    { Déclarations privées }
  public
    { Déclarations publiques }
  end;
 
var
  Form3: TForm3;
  ExcelApp: OleVariant;
implementation
 
{$R *.dfm}
 
procedure TForm3.Button1Click(Sender: TObject);
begin
if (OpenDialog1.Execute()) then begin
                                ListBox1.Items.Add(OpenDialog1.FileName);
                                end;
end;
 
 
 
procedure TForm3.Button2Click(Sender: TObject);
var
    vMSExcel : variant;
    vXLWorkbooks, vXLWorkbook : variant;
    aFileName : AnsiString;
    vSaveChanges : variant;
    aSheetName : AnsiString;
    vWorksheet : variant;
    ActiveSheet : variant;
    i,n,vLength: Integer;
    vWorkSheets : variant;
    FN:String;
    NF:string;
 
begin
 
    //Ouvrir une nouvelle instance
    vMSExcel := CreateOleObject('Excel.Application');
    vMSExcel.Visible := false;
 
    For n:=0 to ListBox1.Count-1 do
    begin
    //Ouvrir un classeur
    aFileName := ListBox1.Items[n];
    vXLWorkbooks := vMSExcel.Workbooks;
    vXLWorkbook := vXLWorkbooks.Open(aFileName);
 
    //Renommer la feuille
    FN:=ExtractFileName(ListBox1.Items[n]);
    NF:=ChangeFileExt(FN, '');
 
    vXLWorkbook.WorkSheets.item[1].Activate;
    vXLWorkbook.ActiveSheet.Name :=vXLWorkbook.ActiveSheet.Name+'_'+NF;
    ProgressBar1.Position:=30;
    vXLWorkbook.WorkSheets.item[2].Activate;
    vXLWorkbook.ActiveSheet.Name :=vXLWorkbook.ActiveSheet.Name+'_'+NF;
    ProgressBar1.Position:=75;
 
 
    ShowMessage('Terminé');
 
    {for i:= 1 to vWorksheet.Shapes.Count do
      begin
        if vWorksheet.Shapes.Item[i].Name = '1' then
          vWorkSheet.Shapes.Item[i].Text:='Frrr1'
      end;}
 
    //Enregistrer le classeur
    vXLWorkbook.Save;
 
    // Fermer un classeur
    vSaveChanges := true;
    aFileName := ListBox1.Items[n];
    vXLWorkbook.Close(vSaveChanges, aFileName);
    end;
    //Fermer Excel
    vMSExcel.Quit;
    vMSExcel := unassigned;
end;
 
procedure TForm3.Button3Click(Sender: TObject);
begin
Application.Terminate;
end;
 
procedure TForm3.SpeedButton1Click(Sender: TObject);
begin
if (OpenDialog1.Execute()) then begin
                                ListBox1.Items.Add(OpenDialog1.FileName);
                                end;
end;
 
procedure TForm3.SpeedButton2Click(Sender: TObject);
var
    vMSExcel : variant;
    vXLWorkbooks, vXLWorkbook : variant;
    aFileName : AnsiString;
    vSaveChanges : variant;
    aSheetName : AnsiString;
    vWorksheet : variant;
    ActiveSheet : variant;
    i,ii,n,vLength: Integer;
    vWorkSheets : variant;
    FN:String;
    NF:string;
 
begin
 
    //Ouvrir une nouvelle instance
    vMSExcel := CreateOleObject('Excel.Application');
    vMSExcel.Visible := false;
 
    For n:=0 to ListBox1.Count-1 do
    begin
 
    //Ouvrir un classeur
    aFileName := ListBox1.Items[n];
    vXLWorkbooks := vMSExcel.Workbooks;
    vXLWorkbook := vXLWorkbooks.Open(aFileName);
 
    //Renommer la feuille
    FN:=ExtractFileName(ListBox1.Items[n]);
    NF:=ChangeFileExt(FN, '');
 
    For ii:=1 to vXLWorkbook.WorkSheets.Count  do
    begin
    vXLWorkbook.WorkSheets.item[ii].Activate;
    vXLWorkbook.ActiveSheet.Name :=vXLWorkbook.ActiveSheet.Name+'_'+NF;
    ProgressBar1.Position:=n;
    end;
    //Enregistrer le classeur
    vXLWorkbook.Save;
 
    // Fermer un classeur
    vSaveChanges := true;
    aFileName := ListBox1.Items[n];
    vXLWorkbook.Close(vSaveChanges, aFileName);
    end;
    ProgressBar1.Position:=100;
    ShowMessage('Terminé');
    //Fermer Excel
    vMSExcel.Quit;
    vMSExcel := unassigned;
end;
 
 
procedure TForm3.SpeedButton3Click(Sender: TObject);
begin
Application.Terminate;
end;
 
end.
merci les amis.