CMediaControl::Invoke

A version of this page is also available for

Windows Embedded CE 6.0 R3

4/8/2010

Provides access to properties and methods exposed by an object.

Syntax

HRESULT Invoke(
  DISPID dispidMember,
  REFIID riid,
  LCID lcid,
  WORD wFlags,
  DISPPARAMS* pdispparams,
  VARIANT* pvarResult,
  EXCEPINFO* pexcepinfo,
  UINT* puArgErr 
);

Parameters

• dispidMember
  Identifier of the member.

  Use CMediaControl::GetIDsOfNames or the object's documentation to obtain the dispatch identifier.

• riid
  Reserved for future use. Must be IID_NULL.

• lcid
  Locale context in which to interpret arguments.

• wFlags
  Flags describing the context of the CMediaControl::Invoke call.

• pdispparams
  Pointer to a structure containing an array of arguments, an array of argument dispatch IDs for named arguments, and counts for number of elements in the arrays.

• pvarResult
  Pointer to where the result is to be stored, or NULL if the caller expects no result.

• pexcepinfo
  Pointer to a structure containing exception information.

• puArgErr
  Index of the first argument, within the rgvarg array, that has an error.

Return Value

Returns DISP_E_UNKNOWNINTERFACE if riid is not IID_NULL.

Returns one of the error codes from CMediaControl::GetTypeInfo if the call fails.

Otherwise, returns the HRESULT from the call to IDispatch::Invoke.

Requirements