IBaseFilter::QueryFilterInfo

Windows Mobile 6.5
A version of this page is also available for
4/8/2010

This method returns information about the filter.


HRESULT QueryFilterInfo(
  FILTER_INFO* pInfo
);

pInfo

[out] Pointer to a FILTER_INFO structure.

Returns an HRESULT value that depends on the implementation.

HRESULT can be one of the following standard constants or other values not listed.

Value Description

E_FAIL

Failure.

E_POINTER

Null pointer argument.

E_INVALIDARG

Invalid argument.

E_NOTIMPL

Method is not supported.

S_OK or NOERROR

Success.

The FILTER_INFO structure is defined as follows.

typedef struct _FilterInfo  {
    [string] WCHAR achName[MAX_FILTER_NAME]; // allowed to be null
    IFilterGraph * pGraph;                   // null if not part of graph
    } FILTER_INFO ;

On return, if the pGraph member of the FILTER_INFO structure is non-NULL, it will have an outstanding reference count and should be released when the interface is no longer needed.

Windows Embedded CEWindows CE 2.12 and later
Windows MobilePocket PC for Windows Mobile Version 5.0 and later, Smartphone for Windows Mobile Version 5.0 and later
NoteMicrosoft DirectShow applications and DirectShow filters have different include file and Library requirements
For more information, see Setting Up the Build Environment, Version 2.12 requires DXPAK 1.0 or later

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