◆ UploadFile() [4/4]

byte[] System.Net.WebClient.UploadFile	(	Uri	address,
		string?	method,
		string	fileName )

inline

Definition at line 757 of file WebClient.cs.

    {
        ArgumentNullException.ThrowIfNull(address, "address");
        ArgumentNullException.ThrowIfNull(fileName, "fileName");
        if (method == null)
        {
            method = MapToDefaultMethod(address);
        }
        FileStream fs = null;
        WebRequest request = null;
        StartOperation();
        try
        {
            _method = method;
            byte[] formHeaderBytes = null;
            byte[] boundaryBytes = null;
            Uri uri = GetUri(address);
            bool needsHeaderAndBoundary = uri.Scheme != Uri.UriSchemeFile;
            OpenFileInternal(needsHeaderAndBoundary, fileName, out fs, out var buffer, ref formHeaderBytes, ref boundaryBytes);
            request = (_webRequest = GetWebRequest(uri));
            return UploadBits(request, fs, buffer, 0, formHeaderBytes, boundaryBytes);
        }
        catch (Exception ex)
        {
            fs?.Close();
            if (ex is OutOfMemoryException)
            {
                throw;
            }
            AbortRequest(request);
            if (ex is WebException || ex is SecurityException)
            {
                throw;
            }
            throw new WebException(System.SR.net_webclient, ex);
        }
        finally
        {
            EndOperation();
        }
    }