SpiSendMsg - Example Code

The following code illustrates how to seek a specified point in the stream source object or set the current stream time.

#define        INCL_ERRORS
#include        "os2.h"
#include        "os2me.h"
#include        "mcd.h"
#include        "audio.h"

  ULONG         rc;                    /* error return code    */
  HID           hidSource;             /* source handler ID    */
  HSTREAM       hStream;               /* stream handle        */
  ULONG         ulMsgType;             /* type of message      */
  MSG_COMMON    pMsg;/* message control block*/

                            .
                            .
                            .
/*----------------------------------------------------------------*/
/*  Create a data stream from a source stream handler to a target */
/*  stream handler.  (See SpiCreateStream).                       */
/*----------------------------------------------------------------*/
                            .
                            .
                            .
/*------------------------------------------------------------------*/
/*  Fill in message from a source stream handler to a target handler*/
/*                                                                  */
/*------------------------------------------------------------------*/

 ulMsgType = STREAM_HANDLER_SPECIFIC_MESSAGE_NUMBER;
 pMsg->ulMsgLen = sizeof(STREAM_HANDLER_SPECIFIC_MESSAGE_CONTROL_BLOCK);

/*-----------------------------------------------------------------*/
/*  Send a message to the source stream handler.                   */
/*                                                                 */
/*-----------------------------------------------------------------*/
  if (rc = SpiSendMsg(hStream, hidSource, ulMsgType, pMsg, return)
    return (rc);