RAD Studio VCL Reference
THTTPReqResp.Send Method

Sends the encoded method call as an HTTP-based SOAP message.

function Send(const ASrc: TStream): Integer; virtual;
virtual __fastcall int Send(const TStream ASrc);

Note: On Windows (when using WinInet), Send sends an HTTP request message with the SoapAction header specified by SoapAction to the URL specified by URL.
Note: Send is not available on Linux.
ASrc is a stream from which to read the contents of a SOAP message for the method call. 

Send returns a context ID that identifies this request message. This context ID is passed to the Receive method to retrieve the corresponding response message from the server. 


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