IWinInetCacheHints2::SetCacheExtension2 method
Changes the file name extension on the Microsoft Win32 Internet (WinInet) cache file to the specified extension.
Syntax
HRESULT SetCacheExtension2( [in] LPCWSTR pwzExt, [out] WCHAR *pwzCacheFile, [in, out] DWORD *pcchCacheFile, [out] DWORD *pdwWinInetError, [out] DWORD *pdwReserved );
Parameters
- pwzExt [in]
-
Specifies the new file name extension. The extension must begin with a period.
- pwzCacheFile [out]
-
Pointer to a WCHAR buffer that receives the new cache file name.
- pcchCacheFile [in, out]
-
Address of a variable of type DWORD that specifies the size in bytes of the buffer for pwzCacheFile.
- pdwWinInetError [out]
-
Address of a variable of type DWORD that receives additional error information from WinInet, or NULL. If no error occurs, the value is set to zero.
- pdwReserved [out]
-
Reserved. Set to NULL.
Return value
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Remarks
The SetCacheExtension2 method was introduced in Windows Internet Explorer 7. It uses InternetQueryOptionW to return a WCHAR version of the cache file name.
Requirements
|
Minimum supported client |
Windows XP with SP2 |
|---|---|
|
Minimum supported server |
Windows Server 2003 |
|
Product |
Internet Explorer 7 |
|
Header |
|
|
IDL |
|
|
DLL |
|
See also