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typedef void __fastcall (__closure *TSocketErrorEvent)(System::TObject* Sender, TCustomWinSocket* Socket, TErrorEvent ErrorEvent, int &ErrorCode);


Type Visibility Source Unit Parent
typedef public System.Win.ScktComp.hpp System.Win.ScktComp System.Win.ScktComp


TSocketErrorEvent is the type for event handlers that respond when a Windows socket reports an error.

The Sender parameter is the socket component that encountered the error.

The Socket parameter is the TCustomWinSocket object that receives the error notification.

The ErrorCode parameter is the error code returned by the Windows socket API call. Changing this to 0 within an error handler prevents an exception from being raised.

The ErrorEvent parameter indicates what Socket was attempting to do when the error occurred. It is of type TErrorEvent, which can have any of the following values:

Value Meaning


The socket received an error message that does not fit into any of the following categories.


An error occurred when trying to write to the socket connection.


An error occurred when trying to read from the socket connection.


A connection request that was already accepted could not be completed.


An error occurred when trying to close a connection.


A problem occurred when trying to accept a client connection request.

See Also