GetInterface

  • 项目

This function retrieves an interface pointer.

HRESULT GetInterface(
  LPUNKNOWN pUnk,
  void** ppv
);

Parameters

  • pUnk
    Pointer to the IUnknown interface.
  • ppv
    Retrieved interface.

Return Values

Returns an HRESULT value.

Remarks

This member function performs a thread-safe increment of the reference count. To retrieve the interface and add a reference, call this function from your overriding implementation of the INonDelegatingUnknown::NonDelegatingQueryInterface method.

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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