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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) procedure FormCreate(Sender: TObject); procedure CustomButtonClick(Sender: TObject); private { Private declarations } public { Public declarations } end;
var Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.FormCreate(Sender: TObject);constiHtoH = 20; //行间距iWtoW = 10; //列间距iPerLine = 3;//每行个数iWidth = 80; //按钮宽度varI : integer;begin//算法:动态创建30个按钮,每行6个共5行,顺序排列,显示在ScrollBox上for I := 1 to 9 do with TButton.Create(Self) do begin Name := 'Btn' + InttoStr(I); OnClick := CustomButtonClick; // 指定button click事件 Parent := Self; Caption := InttoStr(I); //Name Top := iHtoH + (9+iHtoH) * (I div iPerLine - integer((I mod iPerLine)=0)); Left := iWtoW + (iWidth+iWtoW) * ((I-1) mod iPerLine); Show; end;end;//或许可以继续精练一下
procedure TForm1.CustomButtonClick(Sender: TObject);begin// 根据 Sender 来判断哪个新建的button clickShowMessage(TButton(Sender).Caption);end;
end.
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