No, both don't work. RELEASE CLASS is only short for RELEASE CLASSLIB.
RELEASE PROCEDURE displays an error "Procedure file ... not found" (although the file exists, but the procedure is not set to this file.)



>Christian,
>
>Try putting in a "RELEASE CLASS PreviewWindow" before the erases. You may also try using a "RELEASE PROCEDURE (lcDefFile)". Hopefully, this will take care of your problem.
>
>>Hello,
>>
>>I try to do the following:
>>

lcDefFile = FORCEEXT(SYS(2015), "PRG")
>>*
>>TEXT TO lcDefineClass TEXTMERGE NOSHOW
>>	DEFINE CLASS PreviewWindow AS Form
>>		SHOWWINDOW = 1
>>		DESKTOP = .T.
>>	ENDDEFINE
>>ENDTEXT
>>STRTOFILE(lcDefineClass, lcDefFile)
>>*
>>loPreviewWindow = NEWOBJECT("PreviewWindow", lcDefFile)
>>loPreviewWindow.SHOW()
>>*-- some work done here			
>>*-- Here I need to find the proper way to close the
>>*-- references.
>>*-- I try to get rid of the outstanding references but
>>*-- this does not work.
>>RELEASE loPreviewWindow
>>*-- This will give an error: Procedure file ... not found.
>>*-- RELEASE CLASSLIB (FORCEEXT(lcDefFile, "FXP"))
>>ERASE (lcDefFile)
>>*-- The next one gives an error, Outstanding references...
>>ERASE (FORCEEXT(lcDefFile, "FXP"))

>>Can somebody help me here?