假如创建10个button,命名依次为btn0, btn1.....btn9;
想改动每个button的caption:例如:
btn0.caption := '0';
btn1.caption := '0';
btn2.caption := '0';
btn3.caption := '0';
btn4.caption := '0';
btn5.caption := '0';
btn6.caption := '0';
btn7.caption := '0';
btn8.caption := '0';
btn9.caption := '0';
btn10.caption := '0';但不想写太多代码
如何用循环来实现
想改动每个button的caption:例如:
btn0.caption := '0';
btn1.caption := '0';
btn2.caption := '0';
btn3.caption := '0';
btn4.caption := '0';
btn5.caption := '0';
btn6.caption := '0';
btn7.caption := '0';
btn8.caption := '0';
btn9.caption := '0';
btn10.caption := '0';但不想写太多代码
如何用循环来实现
i:integer;
begin
for i:=ComponentCount-1 downto 0 do
if (Components[i] is TButton) then (Components[i] as TButton).Caption:='0';
end;
var
i : integer;
btn : TButton;
begin
for i := 0 to 9 do
begin
btn := TButton (FindComponent ('btn' + inttostr(i)));
if btn <> nil then
btn.Caption := '0';
end;
end;
btn1.caption := '1';
btn2.caption := '2';
btn3.caption := '3';
btn4.caption := '4';
btn5.caption := '5';
btn6.caption := '6';
btn7.caption := '7';
btn8.caption := '8';
btn9.caption := '9';
btn10.caption := '10';
var
i : integer;
btn : TButton;
begin
for i := 0 to 9 do
begin
btn := TButton (FindComponent ('btn' + inttostr(i)));
if btn <> nil then
btn.Caption := IntToStr(i);
end;
end;