unit uselectinput;

interface

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

type
  TFormSelectInput = class(TForm)
    Label1: TLabel;
    ComboBoxVideoInput: TComboBox;
    EditVideoSource: TEdit;
    Button1: TButton;
    Button2: TButton;
    procedure FormCreate(Sender: TObject);
    procedure FormActivate(Sender: TObject);
  private
    { Private declarations }
    FInitialized: boolean;
  public
    { Public declarations }
    ie: TImageEnView;
  end;

var
  FormSelectInput: TFormSelectInput;

implementation

{$R *.dfm}

procedure TFormSelectInput.FormCreate(Sender: TObject);
begin
  FInitialized := false;
end;

procedure TFormSelectInput.FormActivate(Sender: TObject);
begin
  if not FInitialized then
  begin
    ComboBoxVideoInput.Items.Assign(ie.IO.DShowParams.VideoInputs);
    FInitialized := true;
  end;
  ComboBoxVideoInput.ItemIndex := 0;
end;

end.