IltmmCapture::GetSubObjectDispatch

Summary

Retrieves the lDispatch interface for the specified graph object.

Syntax

#include "ltmm.h"

Language Syntax
C HRESULT IltmmCapture_getSubObjectDispatch(pCapture, ObjType, ppObject)
C++ HRESULT GetSubObjectDispatch(ObjType, ppObject)

Parameters

IltmmCapture *pCapture

Pointer to an IltmmCapture interface.

long ObjType

Value that indicates the graph object to retrieve. For a list of possible values, refer to the ltmmCapture_Target constants.

IDispatch **ppObject

Pointer to a variable to be updated with a pointer to the lDispatch interface. This interface references the specified graph object.

Returns

Value Meaning
S_OK The function was successful.
<> S_OK An error occurred. Refer to the Error Codes or the HRESULT error codes in the DirectShow documentation.

Comments

This function is basically the same as IltmmCapture::GetSubObject, but retrieves the objects IDispatch interface instead of IUnknown.

This function was added for languages like FoxPro that will not query for the dispatch interface itself.

If the function succeeds, the caller should release the retrieved interface pointer by calling the interfaces Release method.

Required DLLs and Libraries

Platforms

Win32, x64.

See Also

Functions

Topics

Example

Language Example
C IltmmCapture::GetSubObjectDispatch
C++ IltmmCapture::GetSubObjectDispatch
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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.