delphi 遍历所有Edit控件

unit Unit1;

interface

uses

Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants,

System.Classes, Vcl.Graphics,

Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls;

type

TForm1 = class(TForm)

Label1: TLabel;

Edit1: TEdit;

Edit2: TEdit;

Edit3: TEdit;

Edit4: TEdit;

btnDo: TButton;

procedure btnDoClick(Sender: TObject);

private

{ Private declarations }

public

{ Public declarations }

end;

var

Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.btnDoClick(Sender: TObject);

var

i: integer;

begin

for i := 0 to ComponentCount - 1 do

begin

if (Components[i] is TEdit) and (TEdit(Components[i]).color = clred) then

TEdit(Components[i]).Left := TEdit(Components[i]).Left + 5;

end;

end.

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