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4/8/2010

Retrieves an interface and increments the reference count.

Syntax

HRESULT NonDelegatingQueryInterface(
  REFIID 
riid,
  void** 
ppv
);

Parameters

riid

Reference identifier.

ppv

Pointer to the interface.

Return Value

Returns E_POINTER if ppvis invalid.

Returns NOERROR if the query is successful or E_NOINTERFACE if it is not.

Remarks

This member function provides an implementation of the INonDelegatingUnknown::NonDelegatingQueryInterfacemethod.

By default it passes out references to IDirectDrawand then calls the CUnknown::NonDelegatingQueryInterfacemember function for base class interface references.

Override this class to return interfaces added in the derived class.

Requirements

Windows Embedded CE Windows CE 2.12 and later
Windows Mobile Windows Mobile Version 5.0 and later
Note Microsoft 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