IltmmPlay::GetSubObjectDispatch

Summary

Retrieves the lDispatch interface for the specified graph object.

Syntax

#include "ltmm.h"

Language Syntax
C HRESULT IltmmPlay_getSubObjectDispatch(pPlay, ObjType, ppObject)
C++ HRESULT GetSubObjectDispatch(ObjType, ppObject)

Parameters

IltmmPlay *pPlay

Pointer to an IltmmPlay interface.

long ObjType

Value that indicates the graph object to retrieve. For a list of possible values, refer to the ltmmPlay_Source 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 IltmmPlay::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 user 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 IltmmPlay::GetSubObjectDispatch
C++ IltmmPlay::GetSubObjectDispatch
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LEADTOOLS Multimedia C API Help
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Products | Support | Contact Us | Intellectual Property Notices
© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.