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

Reading texts from Microsoft PPTX document using Aspose.Slides:

#region "Description"

/*  

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

 */

#endregion

#region "Methods"

Method Name: GetAllTextsFromPPTX()

/// <summary>

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

/// </summary>

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

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

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

{

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

    fileStream.Position = 0;

    using (Aspose.Slides.Pptx.PresentationEx pptxPresentation = new Aspose.Slides.Pptx.PresentationEx(fileStream))

    {

        //Get an Array of TextFrameEx objects from the first slide

        Aspose.Slides.Pptx.TextFrameEx[] textFramesSlideOne = null;

        //Loop through the Array of TextFrames

        for (int mSlide = 0; mSlide < pptxPresentation.Slides.Count; mSlide++)

        {

            textFramesSlideOne = Aspose.Slides.Util.SlideUtil.GetAllTextBoxes(pptxPresentation.Slides[mSlide]);

            if (!pageContent.ContainsKey(mSlide))

                pageContent.Add(mSlide, string.Empty);

            for (int i = 0; i < textFramesSlideOne.Length; i++)

            {

                //Loop through paragraphs in current TextFrame

                foreach (Aspose.Slides.Pptx.ParagraphEx para in textFramesSlideOne[i].Paragraphs)

                {

                    //Loop through portions in the current Paragraph

                    foreach (Aspose.Slides.Pptx.PortionEx port in para.Portions)

                    {

                        pageContent[mSlide] = pageContent[mSlide] + " ; " + port.Text;

                    }

                }

            }

        }

        return pageContent;

    }

}