unit1.pas

Delphi实效编程百例的随书源代码 这是其中的操作系统部分

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    ComboBox1: TComboBox;
    RichEdit1: TRichEdit;
    procedure FormCreate(Sender: TObject);
    procedure ComboBox1Change(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.FormCreate(Sender: TObject);
begin
        // 向组合框中添加系统中已经安装的字体名称
        ComboBox1.Items := Screen.Fonts;
end;

procedure TForm1.ComboBox1Change(Sender: TObject);
begin
        // 改变R i c h E d i t组件中文字的字体
        RichEdit1.Font.Name := Combobox1.Items[Combobox1.ItemIndex];
end;

end.