Multipart.appendFormFile
void appendFormFile(string controlName, string filename, string contentType, glib.bytes.Bytes body_)Adds a new MIME part containing body to multipart
Uses "Content-Disposition: form-data", as per the HTML forms specification.
Parameters
controlName | the name of the control associated with this file |
filename | the name of the file, or null if not known |
contentType | the MIME type of the file, or null if not known |
body_ | the file data |