Skip to content

Task(1042772) - Modified the Extract Text from PowerPoint Presentation Sample #148

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
MathanKumarVaradhaRajaPerumal merged 1 commit into from
Jul 28, 2026
Merged

Task(1042772) - Modified the Extract Text from PowerPoint Presentation Sample #148

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
196 changes: 94 additions & 102 deletions PowerPoint-Presentation/Extract_Text_From_PPTX/.NET/Extract_Text_From_PPTX/Program.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,128 +1,120 @@
using Syncfusion.Presentation;
using System.Text;

namespace Extract_Text_From_PPTX
//Load the PowerPoint presentation
using(IPresentation presentation = Presentation.Open(Path.GetFullPath(@"Data/Input.pptx")))
{
string extractedText = ExtractDocumentText(presentation);
//Write the text collection to a text file
System.IO.File.WriteAllText(Path.GetFullPath(@"../../../Output/Sample.txt"), extractedText);
}

static string ExtractDocumentText(IPresentation presentation)
{
class Program
//Text collection to store the extracted text
StringBuilder textBuilder = new StringBuilder();
// Extract text from all slides
for (int i = 0; i < presentation.Slides.Count; i++)
{
ISlide slide = presentation.Slides[i];
textBuilder.AppendLine($"--- Slide {i + 1} ---");

static void Main(string[] args)
{
//Load the PowerPoint presentation
IPresentation presentation = Presentation.Open(Path.GetFullPath(@"Data/Input.pptx"));
//Text collection to store the extracted text
StringBuilder textBuilder = new StringBuilder();
// Extract text from all slides
for (int i = 0; i < presentation.Slides.Count; i++)
{
ISlide slide = presentation.Slides[i];
textBuilder.AppendLine($"--- Slide {i + 1} ---");

// Extract text from all shapes in the slide
ExtractText(slide.Shapes as IShapes, textBuilder);

// Extract text from the slide notes body
if (slide.NotesSlide?.NotesTextBody != null)
{
foreach (IParagraph paragraph in slide.NotesSlide.NotesTextBody.Paragraphs)
{
textBuilder.AppendLine(paragraph.Text);
}
}

// Extract text from the slide notes shapes
if (slide.NotesSlide?.Shapes != null)
{
ExtractText(slide.NotesSlide.Shapes as IShapes, textBuilder);
}
// Extract text from all shapes in the slide
ExtractText(slide.Shapes as IShapes, textBuilder);

// Extract text from the layout slide shapes
if (slide.LayoutSlide?.Shapes != null)
{
ExtractText(slide.LayoutSlide.Shapes as IShapes, textBuilder, true);

// Extract text from the master slide shapes
if (slide.LayoutSlide.MasterSlide?.Shapes != null)
{
ExtractText(slide.LayoutSlide.MasterSlide.Shapes as IShapes, textBuilder, true);
}
}

textBuilder.AppendLine();
}
string extractedText = textBuilder.ToString();
//Write the text collection to a text file
System.IO.File.WriteAllText(Path.GetFullPath(@"Output/Sample.txt"), extractedText);
//Dispose the presentation instance
presentation.Close();
}
public static void ExtractText(IShapes shapes, StringBuilder textBuilder, bool ignorePlaceHolder = false)
// Extract text from the slide notes body
if (slide.NotesSlide?.NotesTextBody != null)
{
foreach (IShape shape in shapes)
foreach (IParagraph paragraph in slide.NotesSlide.NotesTextBody.Paragraphs)
{
if (shape is ITable)
ExtractTextInTable(shape, textBuilder);
else if (shape is ISmartArt)
ExtractTextInSmartArt(shape, textBuilder);
else if (shape is IGroupShape)
ExtractText((shape as IGroupShape).Shapes, textBuilder, ignorePlaceHolder);
else
ExtractTextInShape(shape, textBuilder, ignorePlaceHolder);
textBuilder.AppendLine(paragraph.Text);
}
}

public static void ExtractTextInSmartArt(IShape shape, StringBuilder textBuilder)
// Extract text from the slide notes shapes
if (slide.NotesSlide?.Shapes != null)
{
ISmartArt smartArt = shape as ISmartArt;
if (smartArt == null)
return;

foreach (ISmartArtNode node in smartArt.Nodes)
{
ExtractTextInSmartArtNode(node, textBuilder);
}
ExtractText(slide.NotesSlide.Shapes as IShapes, textBuilder);
}
public static void ExtractTextInShape(IShape shape, StringBuilder textBuilder, bool ignorePlaceHolder)

// Extract text from the layout slide shapes
if (slide.LayoutSlide?.Shapes != null)
{
if (shape.TextBody == null || (ignorePlaceHolder && (shape as ISlideItem).SlideItemType == SlideItemType.Placeholder))
return;
ExtractText(slide.LayoutSlide.Shapes as IShapes, textBuilder, true);

foreach (IParagraph paragraph in shape.TextBody.Paragraphs)
// Extract text from the master slide shapes
if (slide.LayoutSlide.MasterSlide?.Shapes != null)
{
textBuilder.AppendLine(paragraph.Text);
ExtractText(slide.LayoutSlide.MasterSlide.Shapes as IShapes, textBuilder, true);
}
}
textBuilder.AppendLine();
}
return textBuilder.ToString();
}

public static void ExtractTextInTable(IShape shape, StringBuilder textBuilder)
{
ITable table = shape as ITable;
if (table == null)
return;
static void ExtractText(IShapes shapes, StringBuilder textBuilder, bool ignorePlaceHolder = false)
{
foreach (IShape shape in shapes)
{
if (shape is ITable)
ExtractTextInTable(shape, textBuilder);
else if (shape is ISmartArt)
ExtractTextInSmartArt(shape, textBuilder);
else if (shape is IGroupShape)
ExtractText((shape as IGroupShape).Shapes, textBuilder, ignorePlaceHolder);
else
ExtractTextInShape(shape, textBuilder, ignorePlaceHolder);
}
}
static void ExtractTextInSmartArt(IShape shape, StringBuilder textBuilder)
{
ISmartArt smartArt = shape as ISmartArt;
if (smartArt == null)
return;

foreach (IRow row in table.Rows)
{
foreach (ICell cell in row.Cells)
{
textBuilder.AppendLine(cell.TextBody.Text);
}
}
}
foreach (ISmartArtNode node in smartArt.Nodes)
{
ExtractTextInSmartArtNode(node, textBuilder);
}
}
static void ExtractTextInShape(IShape shape, StringBuilder textBuilder, bool ignorePlaceHolder)
{
if (shape.TextBody == null || (ignorePlaceHolder && (shape as ISlideItem).SlideItemType == SlideItemType.Placeholder))
return;

public static void ExtractTextInSmartArtNode(ISmartArtNode node, StringBuilder textBuilder)
{
if (node.TextBody != null)
{
foreach (IParagraph paragraph in node.TextBody.Paragraphs)
{
textBuilder.AppendLine(paragraph.Text);
}
}
foreach (IParagraph paragraph in shape.TextBody.Paragraphs)
{
textBuilder.AppendLine(paragraph.Text);
}
}
static void ExtractTextInTable(IShape shape, StringBuilder textBuilder)
{
ITable table = shape as ITable;
if (table == null)
return;

// Recursively extract text from child nodes
foreach (ISmartArtNode childNode in node.ChildNodes)
{
ExtractTextInSmartArtNode(childNode, textBuilder);
}
foreach (IRow row in table.Rows)
{
foreach (ICell cell in row.Cells)
{
textBuilder.AppendLine(cell.TextBody.Text);
}
}
}
static void ExtractTextInSmartArtNode(ISmartArtNode node, StringBuilder textBuilder)
{
if (node.TextBody != null)
{
foreach (IParagraph paragraph in node.TextBody.Paragraphs)
{
textBuilder.AppendLine(paragraph.Text);
}
}

// Recursively extract text from child nodes
foreach (ISmartArtNode childNode in node.ChildNodes)
{
ExtractTextInSmartArtNode(childNode, textBuilder);
}
}
Loading