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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 CMediaEvent::GetIDsOfNamesor 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 CMediaEvent::Invokecall.

pdispparams

Pointer to a structure containing an array of arguments, an array of argument dispatch IDs for named arguments, and counts for the 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 rgvargarray, that has an error.

Return Value

Returns DISP_E_UNKNOWNINTERFACE if riidis not IID_NULL.

Returns one of the error codes from CMediaEvent::GetTypeInfoif the call fails.

Otherwise, returns the HRESULTfrom the call to IDispatch::Invoke.

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