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• !!NEWSFLASH!!
• !Limitations of the WinInet FTP Functions
• !List of Win32 Error Codes
• 12003 ERROR_INTERNET_EXTENDED_ERROR
• 12007 Error
• 12163 error trying to trying to open an FTP session
• Active vs Passive FTP Connections
• Allowing User to Accept Cookies
• Ascii vs Binary FTP Transfers
• Automating Web forms with Cookies
• Can WinInet Handle Framed Pages
• Change Phone Number of Connectiod-Ras entry
• Check for IE4
• Check if a File has been Modified on Web Server
• Check if FTP File Exists
• Check if iUrlOpen returns what your expecting
• Cookies Wont Go Through
• Delete Temporary Internet Files Cache
• Dialog Progress Bar not Working
• Download a Message directly to a Binary buffer
• Embed User Id and Password in URL
• Error 12045 Invalid Certificate
• Error 307 File Access Failed
• Error 321 iFtpFindNext failed
• Error code 632 on WinInet dial-up
• ERROR with iOptionSet
• FTP Directory Exist
• FTP File Exist
• Ftp Functions and OpenVms
• Ftp Issue with Large File Transfers
• FTP Keep Alive
• FTP Proxy Server and Passive Transfer
• FTP SSL
• FtpListFileNames UDF
• Get Wininet Error Description String
• Get Real Internet Address
• Get WinInet Error Description String
• Getting ERROR on iHttpOpen with HTTPS
• Handle Http Redirect
• How to Specifiy HTTP User Agent
• How to use iGetConState
• How to Use iHttpOpen - Do a Post - and Grab HTML
• HTTP and WinInet - An Opus
• HTTPDownload 1.4
• iBegin and Firewalls
• IE4 Dlls needed for Wininet Extender on 95
• iFtpCmd and MDTM command
• iFtpCmd and Quote Site
• iFtpCmd APPE Causes iWriteData to Crash using IE 7
• iFtpCmd APPE Example
• iFtpCmd Issues
• iFtpCmd RETR Crash on Windows 7 32-bit WinInet Only
• iFtpDirMake Error 318
• iFTPFileSize 300 Error FileOpen Failed
• iFtpFindInit Memory Leak
• iFtpFindInit Returns Zero
• iFtpFindInit Wildcards
• iFtpFindNext Problem with Date
• iFtpGet Newer Files Only
• iFtpGet to get INI file
• iFtpGet Wininet Error 12031
• iFtpPut Error 12002 ERROR_INTERNET_TIMEOUT
• iFtpPut Error 12003
• iFtpPut to Unix Server
• iGetConState Return Values
• iGetConState Returns False
• iGetConState(0) Returns 1 for No Connection
• iGetLastError Always Returns 2 with IE5
• iHostConnect and Return Codes
• iHostConnect Error 65535
• iHttpInit and 401 Error
• iHttpOpen Error 406
• iHTTPOpen Error Message 12044 ERROR_INTERNET_CLIENT_AUTH_CERT_NEEDED
• iHTTPOpen Not Returning 404
• Installation of a Certificate
• InternetCookieSetEx and InternetCookieGetEx
• iOptionSet Error
• Latitude and Longitude of An Address
• Logfile of FTP Session
• Make a WHOIS Request
• Multiple FTP Sessions
• Non Standard Port
• Post HTML Problem
• Print a Web Page
• Progress bar during HTTP download
• Removing Empty Directories with FTP
• Require Certificate for HTTPS Downloads
• Return Info on Web Server
• Sample code - Weather Watch
• Secure FTP Issues
• Select Links That Contain Java Script Code
• Syncronize FTP
• UrlEncode of Hebrew characters
• Website Forms with Viewstate and Eventvalidation
• Wininet and Cookies
• WinInet and JavaScript
• WinInet and OpenVMS Problem
• WinInet Errors
• WinInet Not Supported for Use in Services
• Yahoo Signin Form

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Delete Cache

Boxopen("History:","")
dll=DllLoad(strcat(dirwindows(1),"wininet.dll"))
ERROR_CACHE_FIND_FAIL=0

;Allocate Binary Buffers
MAX_SIZE=4096
bSize=BinaryAlloc(4) ;structure size
bICE=BinaryAlloc(MAX_SIZE) ;structure
ICEadd=intcontrol(42,bICE,0,0,0)
BinaryPoke4(bsize,0,MAX_SIZE)

;call to get info
hfind=DllCall(dll,long:"FindFirstUrlCacheEntryA",lpstr:"visited:",lpbinary:bICE,lpbinary:bSize)
BinaryEodSet(bICE,MAX_SIZE)
  
if hfind<>ERROR_CACHE_FIND_FAIL 
	purl=BinaryPeek4(bICE,4) ;url pointer    
	url=BinaryPeekstr(bICE,purl-ICEadd,MAX_SIZE)
	
	;Delete Cached URL
	BoxText(StrCat("Deleting: ",url))
	ret = DllCall(dll,long:"DeleteUrlCacheEntryA",lpstr:url)  
	if ret==@false
		Message("Error Deleting URL",StrCat(url,@crlf,"Error: ",DllLastError()))
		;exit
	endif
	
	while 1    
		;call to get info
		BinaryPoke4(bsize,0,MAX_SIZE)
		if !DllCall(dll,long:"FindNextUrlCacheEntryA",long:hfind,lpbinary:bICE,lpbinary:bSize) then break
		BinaryEodSet(bICE,MAX_SIZE)
		purl=BinaryPeek4(bICE,4)
		url=BinaryPeekStr(bICE,purl-ICEadd,MAX_SIZE)	 
		
		;Delete Cached URL
		BoxText(StrCat("Deleting: ",url))
		ret = DllCall(dll,long:"DeleteUrlCacheEntryA",lpstr:url)  
		if ret==@false
			Message("Error Deleting URL",StrCat(url,@crlf,"Error: ",DllLastError()))
			;exit
		endif
	
	endwhile
endif

DllFree(dll)
;Free Binary Buffers
BinaryFree(bSize)
BinaryFree(bICE)
exit

Article ID:   W16372

File Created: 2005:02:18:12:20:06

Last Updated: 2005:02:18:12:20:06