#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. |
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++.