Operation now in progress.
[Visual Basic] Public Const WSAEINPROGRESS As Integer [C#] public const int WSAEINPROGRESS; [C++] public: const int WSAEINPROGRESS; [JScript] public var WSAEINPROGRESS : int;
A blocking call is being processed, or the service provider is still processing a callback function. Only one blocking call can be made at any time.
SocketErrors Class | SocketErrors Members | System.Net.Sockets Namespace