function CopyFiles(const Source,Destination: String): Boolean;
var
SHFileOpStruct : TSHFileOpStruct;
begin
if FileExists(Source) then
begin
FillChar(SHFileOpStruct,SizeOf(TSHFileOpStruct),#0);
with SHFileOpStruct do begin
Wnd:=Application.Handle;
wFunc:=FO_COPY;
fFlags:=FOF_ALLOWUNDO;
hNameMappings:=nil;
pFrom:=PChar(Source+#0+#0);
pTo:=PChar(Destination+#0+#0);
end;
Result := ShFileOperation(SHFileOpStruct) = 0;
end else Result := False;
end;
// Kullanimi:
procedure TForm1.Button1Click(Sender: TObject);
begin
if not CopyFiles('C:\windows\notepad.exe', 'C:\sil\notepad.exe') then
showmessage('Kopyalama islemi basarisiz');
end;