function IsFileInUse(fName: string): boolean;
var
HFileRes: HFILE;
begin
Result:= false;
if not FileExists(fName) then
exit;
HFileRes:= CreateFile(pchar(fName), GENERIC_READ or GENERIC_WRITE, 0, nil, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
Result:= (HFileRes = INVALID_HANDLE_VALUE);
if not Result then
CloseHandle(HFileRes);
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
if IsFileInUse('c:a.xls') then
begin
ShowMessage('사용중');
end
else
begin
ShowMessage('미 사용중');
end;
end;
function IsFileInUse(fName: string): boolean;
var
HFileRes: HFILE;
begin
Result:= false;
if not FileExists(fName) then
exit;
HFileRes:= CreateFile(pchar(fName), GENERIC_READ or GENERIC_WRITE, 0, nil, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
Result:= (HFileRes = INVALID_HANDLE_VALUE);
if not Result then
CloseHandle(HFileRes);
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
if IsFileInUse('c:a.xls') then
begin
ShowMessage('사용중');
end
else
begin
ShowMessage('미 사용중');
end;
end;