请问openpicturedialog的用法？

Question

如何用openpicturedialog在窗体上显示一幅图片（*.jpg,*.bmp)?

Answer 1

在窗体上放一个image控件，然后写procedure TForm1.BitBtn1Click(Sender: TObject);
begin
  if openpicturedialog1.execute then
  form1.image1.Picture.loadfromfile(OpenPictureDialog1.filename);
end;

Answer 2

uses jpeg;procedure TForm1.BitBtn1Click(Sender: TObject);
begin
  if openpicturedialog1.execute then
  form1.image2.Picture.loadfromfile(OpenPictureDialog1.filename);
end;

Answer 3

1)如果在窗体上显示一幅图片*.bmp
procedure TForm1.BitBtn1Click(Sender: TObject);
begin
  if openpicturedialog1.execute then
  form1.image1.Picture.loadfromfile(OpenPictureDialog1.filename);
end;
2）如果在窗体上显示一幅图片*.jpg
uses jpeg;procedure TForm1.BitBtn1Click(Sender: TObject);
begin
  if openpicturedialog1.execute then
  form1.image1.Picture.loadfromfile(OpenPictureDialog1.filename);
end;