本文整理自网络,侵删。
unit Unit1;
interface
usesWindows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,Dialogs, StdCtrls, Spin;
typeTForm1 = class(TForm)SpinEdit1: TSpinEdit;Button1: TButton;procedure FormCreate(Sender: TObject);private{ Private declarations }publicprocedure DownClick(Sender: TObject);procedure UpClick(Sender: TObject);{ Public declarations }end;
varForm1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.DownClick(Sender: TObject);beginSpinEdit1.Text:= IntToStr(StrToInt(SpinEdit1.Text) - 1);ShowMessage('按下了减小按钮!');end;
procedure TForm1.UpClick(Sender: TObject);beginSpinEdit1.Text:= IntToStr(StrToInt(SpinEdit1.Text) + 1);ShowMessage('按下了增大按钮!');end;
procedure TForm1.FormCreate(Sender: TObject);beginSpinEdit1.Button.OnDownClick:= DownClick;SpinEdit1.Button.OnUpClick:= UpClick;end;
end.
相关阅读 >>
Delphi 在 api 函数中使用 pchar 参数的几种方法
Delphi webbrowser的关于流载入流保存和流生成
更多相关阅读请进入《Delphi》频道 >>