復制代碼 代碼如下:

Image fromImage = Image.FromFile( txtImg.Text );
MemoryStream stream = new MemoryStream();
fromImage.Save( stream, imgFormat[extension] );
txtString.Text = Convert.ToBase64String( stream.GetBuffer() );

復制代碼 代碼如下:

MemoryStream stream = new MemoryStream( Convert.FromBase64String( txtString.Text ) );
bitmap img = new Bitmap( stream );
img.Save( txtImg.Text );
MessageBox.Show( "Completed!" );