previewrateset.pas

多媒體視頻程序設計--使用Delphi 第六章 源碼 6-1 视频显示模式 6-2 画面显示速度 6-3 显示画面尺寸调整

unit PreviewRateSet;

interface

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

type
  TPreviewRateDlg = class(TForm)
    okButton: TButton;
    CancelButton: TButton;
    RateEditBox: TSpinEdit;
    Label1: TLabel;
    Label2: TLabel;
  private
    { Private declarations }
  public
    { Public declarations }
    Function   GetRate  : WORD;
  end;

var
  PreviewRateDlg: TPreviewRateDlg;

implementation

{$R *.dfm}

Function   TPreviewRateDlg.GetRate  : WORD;
begin
  Result:= RateEditBox.Value;
end;


end.