public TreeNode GetPreviousSiblingWithManagedAudio()
{
if (Parent == null)
{
return(null);
}
TreeNode previous = this;
while ((previous = previous.PreviousSibling) != null)
{
#if ENABLE_SEQ_MEDIA
Media manMedia = previous.GetManagedAudioMediaOrSequenceMedia();
#else
Media manMedia = previous.GetManagedAudioMedia();
#endif
if (manMedia != null)
{
return(previous);
}
TreeNode previousIn = previous.GetLastDescendantWithManagedAudio();
if (previousIn != null)
{
return(previousIn);
}
}
return(Parent.GetPreviousSiblingWithManagedAudio());
}
public TreeNode GetLastDescendantWithManagedAudio()
{
if (mChildren.Count == 0)
{
return(null);
}
for (int i = Children.Count - 1; i >= 0; i--)
{
TreeNode child = Children.Get(i);
#if ENABLE_SEQ_MEDIA
Media manMedia = child.GetManagedAudioMediaOrSequenceMedia();
#else
Media manMedia = child.GetManagedAudioMedia();
#endif
if (manMedia != null)
{
return(child);
}
TreeNode childIn = child.GetLastDescendantWithManagedAudio();
if (childIn != null)
{
return(childIn);
}
}
return(null);
}
