HCWebSocketGetEventFunctions

Gets the WebSocket functions to allow callers to respond to incoming messages and WebSocket close events.

Syntax

HRESULT HCWebSocketGetEventFunctions(  
         HCWebsocketHandle websocket,  
         HCWebSocketMessageFunction* messageFunc,  
         HCWebSocketBinaryMessageFunction* binaryMessageFunc,  
         HCWebSocketCloseEventFunction* closeFunc,  
         void** functionContext  
)  

Parameters

websocket   _In_
Type: HCWebsocketHandle

The handle of the websocket.

messageFunc   _Out_opt_
Type: HCWebSocketMessageFunction*

A pointer to the message handling callback to use, or a null pointer to remove.

binaryMessageFunc   _Out_opt_
Type: HCWebSocketBinaryMessageFunction*

A pointer to the binary message handling callback to use, or a null pointer to remove.

closeFunc   _Out_opt_
Type: HCWebSocketCloseEventFunction*

A pointer to the close callback to use, or a null pointer to remove.

functionContext   _Out_
Type: void**

Client context to pass to callback function.

Return value

Type: HRESULT

Result code for this API operation. Possible values are S_OK, E_INVALIDARG, E_HC_NOT_INITIALISED, or E_FAIL.

Requirements

Header: httpClient.h

Library: libHttpClient.GDK.lib

See also

httpClient