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DX下有DEMO
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
OpenDialog1: TOpenDialog;
OpenDialog2: TOpenDialog;
Button2: TButton;
Edit1: TEdit;
Label1: TLabel;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
InStream, OutStream: TFileStream;
implementation
{$R *.dfm}
procedure TForm1.Button1Click(Sender: TObject);
var
fn:string;
begin
if form1.OpenDialog1.Execute then
begin
fn:=form1.OpenDialog1.FileName;
OutStream := TFileStream.Create(edit1.text, fmCreate or fmShareDenyWrite);
InStream := TFileStream.Create(fn, fmOpenRead or fmShareDenyWrite);
try
OutStream.CopyFrom(InStream, 0);
finally
InStream.Free;
end;
end;
end;
procedure TForm1.Button2Click(Sender: TObject);
var
fn:string;
begin
if form1.OpenDialog2.Execute then
begin
fn:=form1.OpenDialog2.FileName;
InStream := TFileStream.Create(fn, fmOpenRead or fmShareDenyWrite);
try
OutStream.CopyFrom(InStream, 0);
finally
InStream.Free;
end;
OutStream.Free;
messagebox(form1.Handle,pchar('合并成功'),'提示',mb_ok);
end;
end;
end.