procedure TForm1.Button1Click(Sender: TObject);
label
lLoop;
var
I, J: Integer;
begin
Tag := 0;
for I := 0 to 10000 do
for J := 0 to 10000 do begin
Application.ProcessMessages; //不加就点不了
Caption := Format('%d,%d', [I, J]);
if Tag <> 0 then goto lLoop;
end;
lLoop: ;
end;procedure TForm1.Button2Click(Sender: TObject);
begin
Tag := 1;
end;
label
lLoop;
var
I, J: Integer;
begin
Tag := 0;
for I := 0 to 10000 do
for J := 0 to 10000 do begin
Application.ProcessMessages; //不加就点不了
Caption := Format('%d,%d', [I, J]);
if Tag <> 0 then goto lLoop;
end;
lLoop: ;
end;procedure TForm1.Button2Click(Sender: TObject);
begin
Tag := 1;
end;
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