Get all the text in all the slides
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OpenXML SDK
string FilePath = @"..\..\..\..\Sample Files\";
string FileName = FilePath + "Get all the text in a slide.pptx";
int numberOfSlides = CountSlides(FileName);
System.Console.WriteLine("Number of slides = {0}", numberOfSlides);
string slideText;
for (int i = 0; i < numberOfSlides; i++)
{
GetSlideIdAndText(out slideText, FileName, i);
System.Console.WriteLine("Slide #{0} contains: {1}", i + 1, slideText);
}
System.Console.ReadKey();
public static int CountSlides(string presentationFile)
{
// Open the presentation as read-only.
using (PresentationDocument presentationDocument = PresentationDocument.Open(presentationFile, false))
{
// Pass the presentation to the next CountSlides method
// and return the slide count.
return CountSlides(presentationDocument);
}
}
// Count the slides in the presentation.
public static int CountSlides(PresentationDocument presentationDocument)
{
// Check for a null document object.
if (presentationDocument == null)
{
throw new ArgumentNullException("presentationDocument");
}
int slidesCount = 0;
// Get the presentation part of document.
PresentationPart presentationPart = presentationDocument.PresentationPart;
// Get the slide count from the SlideParts.
if (presentationPart != null)
{
slidesCount = presentationPart.SlideParts.Count();
}
// Return the slide count to the previous method.
return slidesCount;
}
public static void GetSlideIdAndText(out string sldText, string docName, int index)
{
using (PresentationDocument ppt = PresentationDocument.Open(docName, false))
{
// Get the relationship ID of the first slide.
PresentationPart part = ppt.PresentationPart;
OpenXmlElementList slideIds = part.Presentation.SlideIdList.ChildElements;
string relId = (slideIds[index] as SlideId).RelationshipId;
// Get the slide part from the relationship ID.
SlidePart slide = (SlidePart)part.GetPartById(relId);
// Build a StringBuilder object.
StringBuilder paragraphText = new StringBuilder();
// Get the inner text of the slide:
IEnumerable<A.Text> texts = slide.Slide.Descendants<A.Text>();
foreach (A.Text text in texts)
{
paragraphText.Append(text.Text);
}
sldText = paragraphText.ToString();
}
}
Aspose.Slides
string FilePath = @"..\..\..\..\Sample Files\";
string FileName = FilePath + "Get all the text in a slide.pptx";
int numberOfSlides = CountSlides(FileName);
System.Console.WriteLine("Number of slides = {0}", numberOfSlides);
string slideText;
for (int i = 0; i < numberOfSlides; i++)
{
slideText = GetSlideText(FileName, i);
System.Console.WriteLine("Slide #{0} contains: {1}", i + 1, slideText);
}
System.Console.ReadKey();
public static int CountSlides(string presentationFile)
{
//Instantiate PresentationEx class that represents PPTX
using (Presentation pres = new Presentation(presentationFile))
{
return pres.Slides.Count;
}
}
public static string GetSlideText(string docName, int index)
{
string sldText = "";
//Instantiate PresentationEx class that represents PPTX
using (Presentation pres = new Presentation(docName))
{
//Access the slide
ISlide sld = pres.Slides[index];
//Iterate through shapes to find the placeholder
foreach (Shape shp in sld.Shapes)
if (shp.Placeholder != null)
{
//get the text of each placeholder
sldText += ((AutoShape)shp).TextFrame.Text;
}
}
return sldText;
}