/// <summary>
/// Used to log the DVD attributes.
/// DVD organization can vary.
/// Usually, when you open the DVD for playback, you'll see data for titles,
/// when you play a title, you'll see chapters.
/// Title 0 is special - it's the table of contents.
/// Usually, you can click the Top Menu button to go back to the root title.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Player_OpenPlaylistSwitch(object sender, AxWMPLib._WMPOCXEvents_OpenPlaylistSwitchEvent e)
{
UseWaitCursor = true;
listView1.Items.Clear();
// Set the button states for the Top Menu and Title Menu buttons.
SetDVDButtonStates();
// Get the title playlist.
IWMPPlaylist pTitle = (IWMPPlaylist)e.pItem;
IWMPMedia TitleOrChapter = null;
// Get the chapter as IWMPMedia.
TitleOrChapter = pTitle.get_Item(1);
//Get the attribute count from the chapter and loop through the attributes.
int iAttCount = TitleOrChapter.attributeCount;
for (int j = 0; j < iAttCount; j++)
{
ListViewItem item = new ListViewItem("DVD Title/Ch");
String name = TitleOrChapter.getAttributeName(j);
item.SubItems.Add(name);
item.SubItems.Add(TitleOrChapter.getItemInfo(name));
// Tell the user about DVD navigation options.
if ("chapterNum" == name)
{
lblStatus.Text = "DVD Chapter Attributes. To view title attributes, change titles.";
}
else if ("titleNum" == name)
{
lblStatus.Text = "DVD Title Attributes. To view chapter attributes, change chapters.";
}
bool bRO = TitleOrChapter.isReadOnlyItem(name);
item.SubItems.Add(bRO.ToString());
listView1.Items.Add(item);
}
ListViewItem item2 = new ListViewItem("");
listView1.Items.Add(item2);
UseWaitCursor = false;
}
/// <summary>
/// Displays the attribute information for a given media-based attribute source.
/// </summary>
/// <param name="Source">An AttributeSource specifying the schema to inspect.</param>
/// <returns>void</returns>
private void getMetadataFromMedia(AttributeSource Source)
{
IWMPPlaylist playlist = null;
IWMPMedia media = null;
string name = "";
try
{
switch (Source)
{
case AttributeSource.CDTrack:
playlist = CD.Playlist;
break;
case AttributeSource.CurrentMedia:
playlist = Player.currentPlaylist;
break;
default:
// Get a playlist filled with media for the specified schema.
playlist = MediaCollection.getByAttribute("MediaType", Source.ToString());
break;
}
if (0 != playlist.count)
{
// Get the first item from the playlist.
media = playlist.get_Item(0);
}
else
{
throw new EmptyPlaylistException();
}
int cAttributes = media.attributeCount;
// Log the attribute name, value, and writability.
for (int i = 0; i < cAttributes; i++)
{
name = media.getAttributeName(i);
ListViewItem item = new ListViewItem(Source.ToString());
item.SubItems.Add(name);
item.SubItems.Add(media.getItemInfo(name));
bool bRO = media.isReadOnlyItem(name);
item.SubItems.Add(bRO.ToString());
listView1.Items.Add(item);
}
}
catch (EmptyPlaylistException)
{
ListViewItem item3 = new ListViewItem(Source.ToString());
item3.SubItems.Add("EmptyPlaylistException");
item3.SubItems.Add("Does your library contain media for this type or source?");
listView1.Items.Add(item3);
}
catch (COMException exc)
{
lblStatus.Text = "Exception in getMetadata: " + exc.Message;
}
catch
{
lblStatus.Text = "Exception in getMetadata.";
throw;
}
// Insert an empty line in the listview.
ListViewItem item2 = new ListViewItem("");
listView1.Items.Add(item2);
}
