Console.Write("Enter the remote computer name:");
string remoteHost = Console.ReadLine();

Microsoft.VisualBasic.Devices.Computer c = new Microsoft.VisualBasic.Devices.Computer();
if (c.Network.Ping(remoteHost, 1000))
{
        Console.WriteLine("The specified computer {0} is successfully pinged", remoteHost);
        Console.Write("Enter the remote computer folder fullpath:");
        string remotepath = Console.ReadLine();        
        Console.Write("Enter the local filename with fullpath:");
        string localfile= Console.ReadLine();        

        c.Network.UploadFile(localfile, new System.Uri(remotepath).AbsoluteUri);

        Console.WriteLine("The specified file is successfully uploaded");
}