ILTDVDBurner::get_SpeedListChanged

#include "ILTDVDBurner2.h"

C Syntax

HRESULT LTDVDBurner__get_SpeedListChanged(pDVDBurner, pVal)

C++ Syntax

HRESULT get_SpeedListChanged(pVal)

 

ILTDVDBurner *pDVDBurner;

/* pointer to an interface */

VARIANT_BOOL *pVal;

/* pointer to a variable */

Retrieves a value that indicates whether the list of supported speeds has changed.

Parameter

Description

pDVDBurner

Pointer to an ILTDVDBurner interface.

pVal

Pointer to a variable to be updated with a value that indicates whether the speed list has changed from the last call for the put_CurrentDrive or RefreshSpeedList functions. Possible values are:

 

Value

Meaning

 

VARIANT_TRUE

The supported speed list has changed. The new list can be enumerated using ILTDVDBurner::get_SpeedCount, ILTDVDBurner::GetSpeedName, and ILTDVDBurner::GetSpeedValue.

 

VARIANT_FALSE

The supported speed has not changed since that last time ILTDVDBurner::RefreshSpeedList or ILTDVDBurner::put_CurrentDrive was called.

Returns

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

If the burner is not in the idle state, the returned value in the pVal parameter will be VARIANT_FALSE.

Required DLLs and Libraries

LTDVDBrn

DSKernel (Multimedia toolkit)  or LTKRN (Imaging Pro, Document, or Medical toolkits)

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Platforms

Win32, x64

See Also

Functions:

ILTDVDBurner::put_CurrentSpeed, ILTDVDBurner::GetSpeedValue, ILTDVDBurner::GetSpeedName

Topics:

Video Streaming Function Groups, Multimedia Function Group, DVD Function Groups

Example

For a C example, refer to ILTDVDBurner::get_SpeedListChanged Example for C.

For a C++ example, refer to ILTDVDBurner::get_SpeedListChanged Example for C++.