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本例效果图:



代码文件:
unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Button1: TButton;
    ColorDialog1: TColorDialog;
    procedure Button1Click(Sender: TObject);
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
var
  c: Integer;
  s: string;
begin
  if ColorDialog1.Execute then c := ColorDialog1.Color;

  ColorToIdent(c, s);

  if s = '' then s := ColorToString(c);
  Color := c;
  Text := s;
end;

end.

窗体文件:
object Form1: TForm1
  Left = 0
  Top = 0
  Caption = 'Form1'
  ClientHeight = 262
  ClientWidth = 220
  Color = clBtnFace
  Font.Charset = DEFAULT_CHARSET
  Font.Color = clWindowText
  Font.Height = -11
  Font.Name = 'Tahoma'
  Font.Style = []
  OldCreateOrder = False
  Position = poDesktopCenter
  PixelsPerInch = 96
  TextHeight = 13
  object Button1: TButton
    Left = 72
    Top = 104
    Width = 75
    Height = 25
    Caption = 'Button1'
    TabOrder = 0
    OnClick = Button1Click
  end
  object ColorDialog1: TColorDialog
    Left = 96
    Top = 24
  end
end

posted on 2008-10-30 16:55  万一  阅读(...)  评论(...编辑  收藏