IBaseFilter::QueryVendorInfo

  • 项目

This method returns a vendor information string.

HRESULT QueryVendorInfo(
  LPWSTR* pVendorInfo
);

Parameters

  • pVendorInfo
    [out] Pointer to a string containing vendor information.

Return Values

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.

Remarks

This method is optional and can return E_NOTIMPL. If implemented, memory returned should be freed using the Win32 CoTaskMemFree function when the application is done using it.

Requirements

DirectShow applications and DirectShow filters have different include file and link library requirements. See Setting Up the Build Environment for more information.

OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.
Header:

Last updated on Wednesday, April 13, 2005

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