GetClassFileOrMime
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4/8/2010
This function retrieves the CLSID of the object to instantiate for the specified file.
Syntax
HRESULT GetClassFileOrMime(
LPBC pBC,
LPCWSTR szFilename,
LPVOID pBuffer,
DWORD cbSize,
LPCWSTR szMime,
DWORD dwReserved,
CLSID* pclsid
);
Parameters
- pBC
Optional. Address of a bind context that can affect the mapping to a CLSID. This parameter should usually be NULL, although it can be used to override system CLSID mappings when used in conjunction with RegisterMediaTypeClass.
- szFilename
Optional. Address of a string variable that contains the file name.
- pBuffer
Optional. Address of a buffer that contains data from the beginning of the file.
- cbSize
Unsigned long integer value that contains the size of pBuffer.
- szMime
Optional. Address of a string variable that contains the MIME type of the file.
- dwReserved
Reserved. Must be set to zero.
- pclsid
Address of a CLSID that receives the CLSID of the object to instantiate for the specified file.
Return Value
Returns S_OK if successful or an error value otherwise.
Requirements
Header | urlmon.h, urlmon.idl |
Library | urlmon.lib |
Windows Embedded CE | Windows CE .NET 4.0 and later |
Windows Mobile | Windows Mobile Version 5.0 and later |