C# Class WebCacheTool.WinInetAPI

Interop functions we need (i.e. those dealing with the url cache) from wininet.dll.

Public Methods

Method	Description
DeleteFromUrlCache ( string url ) : void	Remove an entry from the url cache.
FindUrlCacheEntries ( string urlPattern ) : ArrayList	Friendly wrapper around the FindUrlCacheEntry APIs that gets a list of the entries matching the given pattern.
GetUrlCacheEntryInfo ( string url ) : INTERNET_CACHE_ENTRY_INFO	More friendly wrapper for the GetUrlCacheEntryInfo API.
RetrieveUrlCacheEntryContents ( string url ) : string	More friendly wrapper for the Retrieve/ReadUrlCacheEntryStream APIs.

Method	Description
CheckLastError ( string url, bool ignoreInsufficientBuffer ) : void	Helper method to check for standard errors we may see from the WinInet functions.
DeleteUrlCacheEntry ( string lpszUrlName ) : long
FindCloseUrlCache ( IntPtr hEnumHandle ) : long
FindFirstUrlCacheEntry ( string lpszUrlSearchPattern, IntPtr lpFirstCacheEntryInfo, UInt32 &lpdwFirstCacheEntryInfoBufferSize ) : IntPtr
FindNextUrlCacheEntry ( IntPtr hEnumHandle, IntPtr lpNextCacheEntryInfo, UInt32 &lpdwNextCacheEntryInfoBufferSize ) : long
GetUrlCacheEntryInfo ( string lpszUrlName, IntPtr lpCacheEntryInfo, UInt32 &lpdwCacheEntryInfoBufferSize ) : bool
ReadUrlCacheEntryStream ( IntPtr hUrlCacheStream, UInt32 dwLocation, IntPtr lpBuffer, UInt32 &lpdwLen, UInt32 dwReserved ) : IntPtr
RetrieveUrlCacheEntryStream ( string lpszUrlName, IntPtr lpCacheEntryInfo, UInt32 &lpdwCacheEntryInfoBufferSize, long fRandomRead, UInt32 dwReserved ) : IntPtr
ThrowAccessDenied ( string url ) : void	Helper method to throw a standard access denied exception.
ThrowFileNotFound ( string url ) : void	Helper method to throw a standard file not found exception.
ThrowInsufficientBuffer ( string url ) : void	Helper method to throw a standard insufficient buffer exception.
UnlockUrlCacheEntryStream ( IntPtr hUrlCacheStream, UInt32 dwReserved ) : long
WinInetAPI ( ) : System	Static class -- can't create.

Remove an entry from the url cache.

public static DeleteFromUrlCache ( string url ) : void
url	string
return	void

Friendly wrapper around the FindUrlCacheEntry APIs that gets a list of the entries matching the given pattern.

public static FindUrlCacheEntries ( string urlPattern ) : ArrayList
urlPattern	string	The pattern, which is a regular expression applied by this method, since I've never /// seen any evidence that the first parameter to the FindFirstUrlCacheEntry API actually works.
return	System.Collections.ArrayList

More friendly wrapper for the GetUrlCacheEntryInfo API.

public static GetUrlCacheEntryInfo ( string url ) : INTERNET_CACHE_ENTRY_INFO
url	string
return	INTERNET_CACHE_ENTRY_INFO

More friendly wrapper for the Retrieve/ReadUrlCacheEntryStream APIs.

public static RetrieveUrlCacheEntryContents ( string url ) : string
url	string
return	string