本例效果图:
此例回复 maxcool(我坚定的支持者与监督者, 离不开你呀!) 在
http://www.cnblogs.com/del/archive/2008/03/09/1096874.html#1097203 提出的问题.
全部代码如下:
![](https://www.cnblogs.com/images/cnblogs_com/del/124874/o_8391.gif)
此例回复 maxcool(我坚定的支持者与监督者, 离不开你呀!) 在
http://www.cnblogs.com/del/archive/2008/03/09/1096874.html#1097203 提出的问题.
全部代码如下:
unit Unit1; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls, ExtCtrls; type TForm1 = class(TForm) Button1: TButton; Timer1: TTimer; Edit1: TEdit; procedure Timer1Timer(Sender: TObject); procedure FormCreate(Sender: TObject); procedure Button1Click(Sender: TObject); end; var Form1: TForm1; implementation {$R *.dfm} procedure TForm1.FormCreate(Sender: TObject); begin Timer1.Enabled := False; Timer1.Interval := 100; Button1.Default := True; Button1.Caption := '用回车操作这个按钮'; end; procedure TForm1.Button1Click(Sender: TObject); begin Timer1.Enabled := not Timer1.Enabled; if Timer1.Enabled then Button1.Caption := '开始' else Button1.Caption := '停止'; end; procedure TForm1.Timer1Timer(Sender: TObject); var pt: TPoint; c: TColor; begin GetCursorPos(pt); c := GetPixel(GetDC(0), pt.X, pt.Y); Self.Color := c; Edit1.Text := Format('$%.6x', [c]); end; end.