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Declare Sub sx_CloseAll Lib "Apollo9.dll" ()
VOID FAR PASCAL sx_CloseAll (VOID);
Close every database and index that is open in the current task. If more than one RDE is being used, sx_CloseAll will properly close every RDE type.
If all files using an RDE are closed, the RDE dynamic link library is unloaded from Windows memory.
Tip: Call sx_CloseAll in your program initialization routine where you set up dates, set deleted status, etc. A call to close all files before the code gets started will clean up any file mess you may leave around when you are working in Visual Basic design mode or C/C++ debug mode and are forced to break the program without making a graceful exit. And it doesn't hurt.
CustArea = sx_Use("\vb\test\cust.dbf", "cust", READWRITE, SDENTX)
sx_SetFilter "upper(trim(place))='CHINA' .and. left(last, 1)>' '"
sx_GoTop
iRet = sx_CopyFile("\test\test.dbf")
sx_CloseAll
// destructor
CNamesForm::~CNamesForm()
{
// on form destruct, close files
sx_CloseAll();
}