C # Load a picture from a Web page

Source: Internet
Author: User

Requirements: Load the verification code in the Web page in the WinForm program

1, open the Web page, get to the Web page img src attribute, get the picture of the Base64 encoded string;

String base64string= webbrowser1.document.all["Yzm_img"]. GetAttribute ("src");

2. Convert the string to a picture:

Byte[] B = convert.frombase64string (base64string);
MemoryStream ms = new MemoryStream (b);
Bitmap Bitmap = new Bitmap (MS);

3, note: If the resulting base64 string is with "data:image/ico;base64," (where the ICO is a picture format), you should remove the data, or the FromBase64String function will report an exception

C # Load a picture from a Web page

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