This function removes a specified entry from the Window List.

#define INCL_WINSWITCHLIST /* Or use INCL_WIN, INCL_PM, Also in COMMON section */
#include <os2.h>

HSWITCH    hswitchSwitch;  /*  Switch-list (Window List) entry handle. */
ULONG      usRetCode;      /*  Success indicator. */

usRetCode = WinRemoveSwitchEntry(hswitchSwitch);