public int CountSlide()
{
using (PresentationDocument ppt = PresentationDocument.Open(HttpContext.Current.Server.MapPath(folder), true))
{
PresentationPart part = ppt.PresentationPart;
OpenXmlElementList slideIds = part.Presentation.SlideIdList.ChildElements;
ppt.Close();
return(slideIds.Count());
}
}
private static void InsertNameAndDate(string pptxPath, string insertName, string insertDate)
{
using (PresentationDocument ppt = PresentationDocument.Open(pptxPath, true))
{
if (ppt == null)
{
throw new ArgumentNullException("presentationDocument");
}
PresentationPart part = ppt.PresentationPart;
OpenXmlElementList slideIds = part.Presentation.SlideIdList.ChildElements;
for (int index = 0; index < slideIds.Count(); index++)
{
// スライドを取得する
string relId = (slideIds[index] as SlideId).RelationshipId;
SlidePart slide = (SlidePart)part.GetPartById(relId);
if (slide != null)
{
ShapeTree tree = slide.Slide.CommonSlideData.ShapeTree;
//１番目の<s:sp>を取得する
Shape shape = tree.GetFirstChild <Shape>();
if (shape != null)
{
TextBody textBody = shape.TextBody;
IEnumerable <Drawing2.Paragraph> paragraphs = textBody.Descendants <Drawing2.Paragraph>();
foreach (Drawing2.Paragraph paragraph in paragraphs)
{
foreach (var text in paragraph.Descendants <Drawing2.Text>())
{
if (text.Text.Contains("様邸"))
{
text.Text = insertName + text.Text;
}
else if (text.Text.Contains("年月日"))
{
text.Text = text.Text.Replace("年月日", insertDate);
}
}
}
}
slide.Slide.Save();
}
}
}
return;
}