/// <summary>
/// Removes the specified slide.
/// </summary>
public void Remove(ISlide removingSlide)
{
P.Presentation presentation = this.presentationPart.Presentation;
// Get the list of slide identifiers in the presentation
P.SlideIdList slideIdList = presentation.SlideIdList;
// Get the slide identifier of the specified slide
P.SlideId slideId = (P.SlideId)slideIdList.ChildElements[removingSlide.Number - 1];
// Gets the relationship identifier of the slide
string slideRelId = slideId.RelationshipId;
// Remove the slide from the slide list
slideIdList.RemoveChild(slideId);
// Remove references to the slide from all custom shows
if (presentation.CustomShowList != null)
{
// Iterate through the list of custom shows
foreach (var customShow in presentation.CustomShowList.Elements <P.CustomShow>())
{
if (customShow.SlideList == null)
{
continue;
}
// declares a link list of slide list entries
var slideListEntries = new LinkedList <P.SlideListEntry>();
foreach (P.SlideListEntry slideListEntry in customShow.SlideList.Elements())
{
// finds the slide reference to remove from the custom show
if (slideListEntry.Id != null && slideListEntry.Id == slideRelId)
{
slideListEntries.AddLast(slideListEntry);
}
}
// Removes all references to the slide from the custom show
foreach (P.SlideListEntry slideListEntry in slideListEntries)
{
customShow.SlideList.RemoveChild(slideListEntry);
}
}
}
// Gets the slide part for the specified slide
SlidePart slidePart = this.presentationPart.GetPartById(slideRelId) as SlidePart;
this.presentationPart.DeletePart(slidePart);
this.presentationPart.Presentation.Save();
this.slides.Reset();
}
