// before we embed we need to check if we have any old shape on the slide. If
// we have, we need to delete it AFTER the new shape is inserted to preserve
// the original timeline.
public void EmbedOnSlide(PowerPointSlide slide, int clickNumber)
{
var isOnClick = clickNumber > 0;
var shapeName = Name;
if (slide != null)
{
// embed new shape using two-turn method. In the first turn, embed the shape, name it to
// something special to distinguish from the old shape; in the second turn, delete the
// old shape using timeline invariant deletion, and rename the new shape to the correct
// name.
try
{
var audioShape = AudioHelper.InsertAudioFileOnSlide(slide, SaveName);
audioShape.Name = "#";
slide.RemoveAnimationsForShape(audioShape);
if (isOnClick)
{
slide.SetShapeAsClickTriggered(audioShape, clickNumber, MsoAnimEffect.msoAnimEffectMediaPlay);
}
else
{
slide.SetAudioAsAutoplay(audioShape);
}
// delete old shape
slide.DeleteShapesWithPrefixTimelineInvariant(Name);
audioShape.Name = shapeName;
}
catch (COMException)
{
// Adding the file failed for one reason or another - probably cancelled by the user.
}
}
else
{
MessageBox.Show("Slide selection error");
}
}
private static void RemoveCaptionsFromSlide(PowerPointSlide slide)
{
if (slide != null)
{
slide.DeleteShapesWithPrefixTimelineInvariant("PowerPointLabs Caption ");
}
}