private async Task<int> StartBurnProcess(IDiscRecorder2 discRecorder, bool ejectMedia,
IList<MediaFile> mediaItems, IMAPI_BURN_VERIFICATION_LEVEL verificationLevel,
CancellationToken cancellationToken, IProgress<BurnData> progress)
{
IsBurning = true;
this.ejectMedia = ejectMedia;
this.burnProgress = progress;
this.mediaItems = mediaItems;
this.cancellationToken = cancellationToken;
burnData = new BurnData();
burnData.uniqueRecorderId = discRecorder.ActiveDiscRecorder;
var burnResult = await Task.Run(() => DoBurn(burnData.uniqueRecorderId));
progress.Report(burnData);
IsBurning = false;
return burnResult;
}
public HRESULT put_BurnVerificationLevel(IMAPI_BURN_VERIFICATION_LEVEL value)
{
return(((delegate * unmanaged <IBurnVerification *, IMAPI_BURN_VERIFICATION_LEVEL, int>)(lpVtbl[3]))((IBurnVerification *)Unsafe.AsPointer(ref this), value));
}
private int DoBurn(string activeDiscRecorder, IMAPI_BURN_VERIFICATION_LEVEL verificationLevel)
{
MsftDiscRecorder2 discRecorder = null;
MsftDiscFormat2Data discFormatData = null;
int result = 0;
try
{
discRecorder = new MsftDiscRecorder2();
discRecorder.InitializeDiscRecorder(burnData.uniqueRecorderId);
discFormatData = new MsftDiscFormat2Data
{
Recorder = discRecorder,
ClientName = "ClientName",
ForceMediaToBeClosed = closeMedia
};
var burnVerification = (IBurnVerification)discFormatData;
burnVerification.BurnVerificationLevel = verificationLevel;
object[] multisessionInterfaces = null;
if (!discFormatData.MediaHeuristicallyBlank)
multisessionInterfaces = discFormatData.MultisessionInterfaces;
IStream fileSystem;
if (!CreateMediaFileSystem(discRecorder, multisessionInterfaces, out fileSystem))
return -1;
discFormatData.Update += discFormatData_Update;
try
{
discFormatData.Write(fileSystem);
result = 0;
}
catch (COMException ex)
{
result = ex.ErrorCode;
MessageBox.Show(ex.Message, "IDiscFormat2Data.Write failed",
MessageBoxButton.OK, MessageBoxImage.Stop);
}
finally
{
if (fileSystem != null)
Marshal.FinalReleaseComObject(fileSystem);
}
discFormatData.Update -= discFormatData_Update;
if (ejectMedia)
discRecorder.EjectMedia();
}
catch (COMException exception)
{
MessageBox.Show(exception.Message);
result = exception.ErrorCode;
}
finally
{
if (discRecorder != null)
Marshal.ReleaseComObject(discRecorder);
if (discFormatData != null)
Marshal.ReleaseComObject(discFormatData);
}
return result;
}
/// <summary>
/// Get the burn verification level when the user changes the selection
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void comboBoxVerification_SelectedIndexChanged(object sender, EventArgs e)
{
_verificationLevel = (IMAPI_BURN_VERIFICATION_LEVEL)comboBoxVerification.SelectedIndex;
}
/// <summary>
/// Get the burn verification level when the user changes the selection
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void comboBoxVerification_SelectedIndexChanged(object sender, EventArgs e)
{
m_verificationLevel = (IMAPI_BURN_VERIFICATION_LEVEL)comboBoxVerification.SelectedIndex;
}