How to read texts from microsoft PPT document using Aspose.Slides,C# ,DotNet

Reading texts from microsoft PPT document using Aspose.Slides:

#region "Description"

/*  

    * Texts from each slide of Microsoft PPT document can be extracted using GetAllTextsFromPPT() method given below  

 */

#endregion

#region "Methods"

Method Name: GetAllTextsFromPPT()

/// <summary>

/// Given Function takes input as PPT document file stream and returns created text list for per page in PPT

/// </summary>

/// <param name="SourceFileStream">PPT doc file stream</param>

/// <returns>List of text per slide </returns>

public static Dictionary<int, string> GetAllTextsFromPPT(Stream fileStream)

{

    Dictionary<int, string> pageContent = new Dictionary<int, string>();

    Aspose.Slides.Presentation pptPresentation = null;

    fileStream.Position = 0;

    pptPresentation = new Aspose.Slides.Presentation(fileStream);

    //iterate all slides

    int lastSlidePosition = pptPresentation.Slides.LastSlidePosition;

    for (int pos = 1; pos <= lastSlidePosition; pos++)

    {

        Aspose.Slides.Slide sld = pptPresentation.GetSlideByPosition(pos);

        int shapesCount = sld.Shapes.Count;

        if (!pageContent.ContainsKey(pos - 1))

            pageContent.Add(pos - 1, string.Empty);

        for (int shpIdx = 0; shpIdx < shapesCount; shpIdx++)

        {

            Aspose.Slides.Shape shp = sld.Shapes[shpIdx];

            //Get the paragraphs from textholder or textframe

            Aspose.Slides.ParagraphCollection paras = null;

            //Check if shape holds a textholder

            if (shp.TextFrame != null)

            {

                paras = shp.TextFrame.Paragraphs;

            }

            else if (shp.Placeholder != null && shp.IsTextHolder)

            {

                if (shp.Placeholder.GetType().Name == "TextHolder")

                {

                    Aspose.Slides.TextHolder thld = (Aspose.Slides.TextHolder)shp.Placeholder;

                    paras = thld.Paragraphs;

                }

            }

            //Print the text on Console

            if (paras != null)

            {

                int parasCount = paras.Count;

                for (int paraIdx = 0; paraIdx < parasCount; paraIdx++)

                {

                    Aspose.Slides.Paragraph para = paras[paraIdx];

                    pageContent[pos - 1] = pageContent[pos - 1] + " ; " + para.Text;

                }

            }//end if

        }//end for

    }//end for

    return pageContent;