VB.NET

Download Image (JPG, GIF, etc.) to Base64

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Demonstrates how to download an image, or any type of file, to get the data in base64 encoding format. VB.NET

Dim success As Boolean = False

' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

Dim http As New Chilkat.Http
http.KeepResponseBody = True

Dim bd As New Chilkat.BinData

success = http.DownloadBd("https://www.chilkatsoft.com/images/starfish.jpg",bd)
Dim statusCode As Integer = http.LastStatus
If (success = False) Then
    If (statusCode = 0) Then
        ' Unable to either send the request or get the response.
        Debug.WriteLine(http.LastErrorText)
    Else
        ' We got a response, but the status code was not in the 200s
        Debug.WriteLine("Response status code: " & statusCode)
        ' Examine the response body.
        Debug.WriteLine("Response body:")
        Debug.WriteLine(http.LastResponseBody)
    End If

    Debug.WriteLine("Download failed.")

Else
    Debug.WriteLine("Download success, response status = " & statusCode)

    Dim base64_image_data As String = bd.GetEncoded("base64")
    Debug.WriteLine("image data in base64 format:")
    Debug.WriteLine(base64_image_data)
End If