DrgFreeDraginfo - Example Code

This example calls the DrgFreeDraginfo function to free an existing DRAGINFO structure allocated by the DrgAllocDraginfo function after a drag operation has completed.

#define INCL_WINSTDDRAG /* Direct Manipulation (Drag) Functions */
#include <os2.h>

BOOL       fSuccess;    /* Indicate success or failure          */
PDRAGINFO  pdinfo;      /* Pointer to DRAGINFO structure        */
HWND       hwnd;        /* Handle of calling (source) window    */
DRAGIMAGE  dimg;        /* DRAGIMAGE structure                  */
HWND       hwndDrop;    /* Handle of drop (target) window       */

/****************************************************************/
/* Perform the drag operation:                                  */
/* - Give the user a visual cue by changing the pointer to a    */
/*   bit map                                                    */
/* - Send DM_DRAGOVER messages to the target window (in this    */
/*   case it is also the source)                                */
/****************************************************************/
hwndDrop = DrgDrag(hwnd,      /* Source of the drag             */
            pdinfo,           /* Pointer to DRAGINFO structure  */
           (PDRAGIMAGE)&dimg, /* Drag image                     */
            1,                /* Size of the pdimg array        */
            VK_ENDDRAG,       /* Release of drag button         */
                              /* Terminates the drag            */
            NULL);            /* Reserved                       */

fSuccess = DrgFreeDraginfo(&pdinfo);