Question

Delphi7如何用timer实现label字体颜色随机改变

Answer 1

unit Unit1;

interface

uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, ExtCtrls, StdCtrls;

type
TForm1 = class(TForm)
Label1: TLabel;
Timer1: TTimer;
procedure Timer1Timer(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;

var
Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Timer1Timer(Sender: TObject);
const
FontN:array[0..8]of TFontName=('marlett','仿宋_GB2312','mangal','楷体_GB2312','@MS UI Gothic','@ms gothic','shruti','bookshelf symbol 7','@宋体');
FontC:array[0..8]of TColor=(clred,clwindow,clhighlight,cllime,clskyblue,clyellow,clblue,clwhite,clteal);
var
i:integer;
begin
Randomize;
for i:=0 to High(a) do
begin
Label1.Font.Name:=FontN[Random(i)];//改变字体
Label1.font.color:=fontc[random(i)];//改变颜色
end;
end;

end.

//希望对你有帮助