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How to get the title of a presentation of a powerpoint app C#

Posted on 2016-09-23
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Last Modified: 2016-10-12
Hello experts,
My idea is that when I create a presentation a button will be created automatically and when I close it, the button must be removed so I need to get the title of the presentation do you have any idea ?
Here is what I did:
 
using Powerpoint = Microsoft.Office.Interop.PowerPoint;      
Powerpoint.Application wdApp = new Powerpoint.Application();
    string oldCaption = wdApp.Application.Caption ;
    string guid = Guid.NewGuid().ToString();
    //set caption to random value
    wdApp.Application.Caption = guid;
    //create a presentation
    PresentationpptPresentation=wdApp.Presentations.Add(Microsoft.Office.Core.MsoTriState.msoTrue);
    //make sure app is visible:
    wdApp.Visible = true;
    //find random value to get process id
    //here I need to get the title of the presentation
    int processId = GetProcessIdByWindowTitle(guid);

    //reset caption
    wdApp.Application.Caption = oldCaption;

    //create a dictionary
    Dictionary<int, Button> mapping = new Dictionary<int, button>();
    //add mapping
    mapping.Add(new KeyValuePair<int, Button>(processId, deleteButton));







    //found this online:
    /// <summary>
    /// Returns the name of that process given by that title
    /// </summary>
    /// <param name="AppId">Int32MaxValue re
    public static int GetProcessIdByWindowTitle(string AppId)
    {
       Process[] P_CESSES = Process.GetProcesses();
       for (int p_count = 0; p_count < P_CESSES.Length; p_count++)
       {
            if (P_CESSES[p_count].MainWindowTitle.Equals(AppId))
            {
                        return P_CESSES[p_count].Id;
            }
       }

        return Int32.MaxValue;
    }

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Question by:SniperCode Sheva
  • 2
2 Comments
 
LVL 17

Accepted Solution

by:
xtermie earned 500 total points (awarded by participants)
ID: 41813458
You can try this code
using System;
using System.Collections.Generic;
using Microsoft.Office.Core;
using PowerPoint = Microsoft.Office.Interop.PowerPoint;

namespace Mintra.Publisher.DocumentConverter.Core.Utils
{
    class InteropUtility
    {


        public static IList<string> GetPresentationTitles(string pptPath)
        {

            IList<string> result = new List<string>();

            var presentationApp = new Microsoft.Office.Interop.PowerPoint.Application();

            try
            {
                presentationApp.Visible = Microsoft.Office.Core.MsoTriState.msoTrue;
                Microsoft.Office.Interop.PowerPoint.Presentations presentations = presentationApp.Presentations;

                var readOnly = Microsoft.Office.Core.MsoTriState.msoTrue;
                var untitled = Microsoft.Office.Core.MsoTriState.msoTrue;
                var withWindow = Microsoft.Office.Core.MsoTriState.msoFalse;

                Microsoft.Office.Interop.PowerPoint.Presentation presentation = presentations.Open(pptPath, readOnly, untitled, withWindow);
                int i = 0;
                foreach (PowerPoint.Slide slide in presentation.Slides)
                {
                    string defaultTitle = String.Format("Slide {0}", i);
                    String shapeTitle = ExtractSlideTitlefromShape(slide, defaultTitle);
                    result.Add(shapeTitle);
                }
            }
            finally
            {
                presentationApp.Quit();
            }


            return result;

        }

        private static string ExtractSlideTitlefromShape(PowerPoint.Slide slide, string defaultValue)
        {
            PowerPoint.HeadersFooters headersFooters = slide.HeadersFooters;
            PowerPoint.Shapes mastershapes = slide.Master.Shapes;

            for (int i = 1; i <= slide.Shapes.Count; i++)
            {
                PowerPoint.Shape shape = slide.Shapes[i];
                bool hasTextFrame = shape.HasTextFrame == MsoTriState.msoTrue;
                bool isTypePlaceholder = shape.Type.Equals(MsoShapeType.msoPlaceholder);
                bool hasTextInTextFrame = shape.TextFrame.HasText == MsoTriState.msoTrue;
                bool isTitleShape = shape.Name.ToLower().Contains("title");

                if (isTypePlaceholder && hasTextFrame && hasTextInTextFrame && isTitleShape)
                {
                    return shape.TextFrame.TextRange.Text;

                }
            }

            return defaultValue;
        }

    }
}

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Or try saving as ppptx and extract titles from the xml that goes with it
0
 
LVL 17

Expert Comment

by:xtermie
ID: 41839770
Solution provided works
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