Interface IPresentation

Represents the PowerPoint presentation.

Namespace: Syncfusion.Presentation

Assembly: Syncfusion.Presentation.NET.dll

Syntax

public interface IPresentation : IDisposable

Properties

BuiltInDocumentProperties

Gets an IBuiltInDocumentProperties instance that represents the built in document properties of presentation. Read-only.

Declaration

IBuiltInDocumentProperties BuiltInDocumentProperties { get; }

Property Value

Type
IBuiltInDocumentProperties

Examples

//Create an instance for presentation.
IPresentation presentation = Presentation.Create();           
//Retrieve the built-in document property, it is read only
IBuiltInDocumentProperties builtin = presentation.BuiltInDocumentProperties;
//Set the application name
builtin.ApplicationName = "Essential Presentation";
//Save the presentation
presentation.Save("Sample.pptx");
//Close the presentation
presentation.Close();

'Create an instance for presentation.
Dim presentation__1 As IPresentation = Presentation.Create()
'Retrieve the built-in document property, it is read only
Dim builtin As IBuiltInDocumentProperties = presentation__1.BuiltInDocumentProperties
'Set the application name
builtin.ApplicationName = "Essential Presentation"
'Save the presentation
presentation__1.Save("Sample.pptx")
'Close the presentation
presentation__1.Close()

CustomDocumentProperties

Gets an ICustomDocumentProperties instance that represents the custom document properties of presentation. Read-only.

Declaration

ICustomDocumentProperties CustomDocumentProperties { get; }

Property Value

Type
ICustomDocumentProperties

Examples

//Create a new presentation
IPresentation presentation = Presentation.Create();
//Retrieve the custom document properties.
ICustomDocumentProperties customDocumentProperties = presentation.CustomDocumentProperties;            
//Add a new custom document property
customDocumentProperties.Add("Property1");
//Set a Boolean value.
customDocumentProperties["Property1"].Boolean = true;
//Add a new custom document property
customDocumentProperties.Add("Property2");
//Set a date time.
customDocumentProperties["Property2"].DateTime = DateTime.Now;
//Save the presentation
presentation.Save("CustomProperty.pptx");
//Close the presentation
presentation.Close();

'Create a new presentation
Dim presentation__1 As IPresentation = Presentation.Create()
'Retrieve the custom document properties.
Dim customDocumentProperties As ICustomDocumentProperties = presentation__1.CustomDocumentProperties
'Add a new custom document property
customDocumentProperties.Add("Property1")
'Set a Boolean value.
customDocumentProperties("Property1").[Boolean] = True
'Add a new custom document property
customDocumentProperties.Add("Property2")
'Set a date time.
customDocumentProperties("Property2").DateTime = DateTime.Now
'Save the presentation
presentation__1.Save("CustomProperty.pptx")
'Close the presentation
presentation__1.Close()

Final

Gets or sets a value indicating whether the IPresentation instance is marked as final.

Declaration

bool Final { get; set; }

Property Value

Type
System.Boolean

Examples

//Create an instance for PowerPoint presentation
IPresentation pptxDoc = Presentation.Create();
//Add slide to the presentation
ISlide slide = pptxDoc.Slides.Add(SlideLayoutType.Blank);
//Mark the presentation as final
pptxDoc.Final = true;
//Save the presentation
pptxDoc.Save("Sample.pptx");
//Close the presentation
pptxDoc.Close();

 'Create an instance for PowerPoint presentation
 Dim pptxDoc As IPresentation = Presentation.Create()
 'Add slide to the presentation
 Dim slide As ISlide = pptxDoc.Slides.Add(SlideLayoutType.Blank)
 'Mark the presentation as final
 pptxDoc.Final = True
 'Save the presentation
 pptxDoc.Save("Sample.pptx")
 'Close the presentation
 pptxDoc.Close()

FirstSlideNumber

Gets or sets the first slide number of the PowerPoint Presentation. The default value is 1.

Declaration

int FirstSlideNumber { get; set; }

Property Value

Type
System.Int32

Remarks

First slide number is the starting slide number of presentation, and this API allows to set the first slide number from 0 to 9999.

Examples

//Creates a new PowerPint Presentation.
using (IPresentation presentation = Presentation.Create())
{
   //Sets the first slide number of the PowerPoint Presentation.
   presentation.FirstSlideNumber = 5;
   //Adds slide to the PowerPoint.
   ISlide slide1 = presentation.Slides.Add(SlideLayoutType.TitleAndContent);
   //Adds slide to the PowerPoint.
   ISlide slide2 = presentation.Slides.Add(SlideLayoutType.TitleAndContent);
   //Adds slide to the PowerPoint.
   ISlide slide3 = presentation.Slides.Add(SlideLayoutType.TitleAndContent);
   //Gets the first slide slidenumber.
   int firstSlideNumber = slide1.SlideNumber;
   //Gets the second slide slidenumber.
   int secondSlideNumber = slide2.SlideNumber;
   //Saves the PowerPoint Presentation.
   presentation.Save("Output.pptx");
}

 'Creates a PowerPoint instance
 Using pptxDoc As IPresentation = Presentation.Create()
    'Sets the first slide number of the PowerPoint Presentation.
    pptxDoc.FirstSlideNumber = 5
    'Adds a slide to the PowerPoint presentation
    Dim slide1 As ISlide = pptxDoc.Slides.Add(SlideLayoutType.TitleAndContent)
    'Adds a slide to the PowerPoint presentation
    Dim slide2 As ISlide = pptxDoc.Slides.Add(SlideLayoutType.TitleAndContent)
    'Adds a slide to the PowerPoint presentation
    Dim slide3 As ISlide = pptxDoc.Slides.Add(SlideLayoutType.TitleAndContent)
    'Gets the first slide slidenumber.
     Dim firstSlideNumber As Integer = slide1.SlideNumber
    'Gets the second slide slidenumber.
     Dim secondSlideNumber As Integer = slide2.SlideNumber
    'Saves the Presentation to the file system.
     pptxDoc.Save("Output.pptx")
 End Using

FontSettings

Declaration

FontSettings FontSettings { get; }

Property Value

Type
FontSettings

HasMacros

Gets whether the presentation has macros. Read-only.

Declaration

bool HasMacros { get; }

Property Value

Type
System.Boolean

Examples

 //Opens an existing macro enabled PowerPoint presentation
 IPresentation pptxDoc = Presentation.Open("Sample.PPTM");
 //Checks whether the presentation has macros and then removes them
 if (pptxDoc.HasMacros)
    pptxDoc.RemoveMacros();
 //Saves the presentation
 pptxDoc.Save("Output.pptx");
 //Closes the presentation
 pptxDoc.Close();

'Opens an existing macro enabled PowerPoint presentation
Dim pptxDoc As IPresentation = Presentation.Open("Sample.PPTM")
'Checks whether the presentation has macros and then removes them
If pptxDoc.HasMacros Then
    pptxDoc.RemoveMacros()
End If
'Saves the presentation
pptxDoc.Save("Output.pptx")
'Closes the presentation
pptxDoc.Close()

IsWriteProtected

Gets whether the presentation is write Protected. Read-only.

Declaration

bool IsWriteProtected { get; }

Property Value

Type
System.Boolean

Examples

 //Create an instance for presentation
 IPresentation presentation = Presentation.Open("Sample.pptx");
 //Check whether the presentation is write protected.
 if (presentation.IsWriteProtected)
 {
    //Removes the write protection from presentation instance
    presentation.RemoveWriteProtection();
  }
 //Save the presentation
 presentation.Save("Output.pptx");
 //Close the presentation.
 presentation.Close();

'Create an instance for presentation
Dim presentation As IPresentation = Presentation.Open("Sample.pptx")
'Check whether the presentation is write protected.
if (presentation.IsWriteProtected)
{
   'Removes the write protection from presentation instance
   presentation.RemoveWriteProtection()
 }
'Save the presentation
presentation.Save("Output.pptx")
'Close the presentation.
presentation.Close()

Masters

Declaration

IMasterSlides Masters { get; }

Property Value

Type
IMasterSlides

PresentationRenderer

Represents the slide to image converter instance for NetStandard.

Declaration

IPresentationRenderer PresentationRenderer { get; set; }

Property Value

Type
IPresentationRenderer

Remarks

This property is supported in NetStandard supported platforms only.

Sections

Returns a collection of ISection instances. Read-only.

Declaration

ISections Sections { get; }

Property Value

Type
ISections

Examples

 //Creates a PowerPoint presentation
 IPresentation presentation = Presentation.Create();
 //Adds a section to the PowerPoint presentation
 ISection section = presentation.Sections.Add();
 //Sets a name to the created section
 section.Name = "SectionDemo";
 //Adds a slide to the created section
 ISlide slide = section.AddSlide(SlideLayoutType.Blank);
 //Adds a text box to the slide
 slide.AddTextBox(10, 10, 100, 100).TextBody.AddParagraph("Slide in SectionDemo");
 //Saves the PowerPoint presentation
 presentation.Save("Sample.pptx");
 //Close the presentation
 presentation.Close();

'Creates a PowerPoint presentation
Dim presentation__1 As IPresentation = Presentation.Create()
'Adds a section to the PowerPoint presentation
Dim section As ISection = presentation__1.Sections.Add()
'Sets a name to the created section
section.Name = "SectionDemo"
'Adds a slide to the created section
Dim slide As ISlide = section.AddSlide(SlideLayoutType.Blank)
'Adds a text box to the slide
slide.AddTextBox(10, 10, 100, 100).TextBody.AddParagraph("Slide in SectionDemo")
'Saves the PowerPoint presentation
presentation__1.Save("Sample.pptx")
'Close the Presentation instance
presentation__1.Close()

Slides

Gets the slide collection in the presentation. Read-only.

Declaration

ISlides Slides { get; }

Property Value

Type
ISlides

Examples

//Open a presentation.
IPresentation presentation = Presentation.Open("Input.pptx");
//Retrieve the slide collection, it is read only
ISlides slides = presentation.Slides;
//Add a slide to the presentation
ISlide slide = slides[0];
//Create instance for slide background
IBackground background = slide.Background;
//Set the fill type for background as Pattern fill
background.Fill.FillType = FillType.Pattern;
//Set the pattern
background.Fill.PatternFill.Pattern = PatternFillType.DashedHorizontal;
//set the fore color of pattern
background.Fill.PatternFill.ForeColor = ColorObject.Lavender;
//Set the back color of pattern
background.Fill.PatternFill.BackColor = ColorObject.Brown;
//Save the presentation
presentation.Save("Output.pptx");
//Close the presentation
presentation.Close();

'Open a presentation.
Dim presentation__1 As IPresentation = Presentation.Open("Input.pptx")
'Retrieve the slide collection, it is read only
Dim slides As ISlides = presentation__1.Slides
'Add a slide to the presentation
Dim slide As ISlide = slides(0)
'Create instance for slide background
Dim background As IBackground = slide.Background
'Set the fill type for background as Pattern fill
background.Fill.FillType = FillType.Pattern
'Set the pattern
background.Fill.PatternFill.Pattern = PatternFillType.DashedHorizontal
'set the fore color of pattern
background.Fill.PatternFill.ForeColor = ColorObject.Lavender
'Set the back color of pattern
background.Fill.PatternFill.BackColor = ColorObject.Brown
'Save the presentation
presentation__1.Save("Output.pptx")
'Close the presentation
presentation__1.Close()

Methods

Clone()

Creates an independent copy of IPresentation instance.

Declaration

IPresentation Clone()

Returns

Type	Description
IPresentation	Returns the cloned presentation instance.

Examples

 //Create an instance for presentation
 IPresentation presentation = Presentation.Create();
 //Add a new slide of comparison slide layout type.
 ISlide slide = presentation.Slides.Add(SlideLayoutType.Comparison);            
 //Clone the entire presentation.
 IPresentation presentationClone = presentation.Clone();
 //Add a new slide of title layout type.
 slide = presentationClone.Slides.Add(SlideLayoutType.Title);
 //Add an auto shape of regular pentagon auto shape type.
 slide.Shapes.AddShape(AutoShapeType.RegularPentagon, 10, 20, 300, 400);
 //Save the cloned presentation
 presentationClone.Save("Sample.pptx");
 //Close the presentation.
 presentation.Close();
 //Close the cloned presentation.
 presentationClone.Close();

'Create an instance for presentation
Dim presentation__1 As IPresentation = Presentation.Create()
'Add a new slide of comparison slide layout type.
Dim slide As ISlide = presentation__1.Slides.Add(SlideLayoutType.Comparison)
'Clone the entire presentation.
Dim presentationClone As IPresentation = presentation__1.Clone()
'Add a new slide of title layout type.
slide = presentationClone.Slides.Add(SlideLayoutType.Title)
'Add an auto shape of regular pentagon auto shape type.
slide.Shapes.AddShape(AutoShapeType.RegularPentagon, 10, 20, 300, 400)
'Save the cloned presentation
presentationClone.Save("Sample.pptx")
'Close the presentation.
presentation__1.Close()
'Close the cloned presentation.
presentationClone.Close()

Close()

Releases any resources associated with the presentation instance.

Declaration

void Close()

Examples

//Create a new presentation.
IPresentation presentation = Presentation.Create();
//Add a new slide of comparison slide layout type.
ISlide slide = presentation.Slides.Add(SlideLayoutType.Comparison);    
//Save the presentation.
presentation.Save("Sample.pptx");
//Close the presentation.
presentation.Close();

'Create a new presentation.
Dim presentation__1 As IPresentation = Presentation.Create()
'Add a new slide of comparison slide layout type.
Dim slide As ISlide = presentation__1.Slides.Add(SlideLayoutType.Comparison)
'Save the presentation.
presentation__1.Save("Sample.pptx")
'Close the presentation.
presentation__1.Close()

Encrypt(String)

Encrypts the presentation using the specified password.

Declaration

void Encrypt(string password)

Parameters

Type	Name	Description
System.String	password	The password to encrypt the presentation.

Examples

//Create a new presentation.
IPresentation presentation = Presentation.Create();
//Add a new slide of content with caption slide layout type.
ISlide slide = presentation.Slides.Add(SlideLayoutType.ContentWithCaption);
//Add a auto shape of moon type auto shape.
IShape shape = slide.Shapes.AddShape(AutoShapeType.Moon, 50, 0, 200, 200);
//Add a paragraph with text content to the shape.
shape.TextBody.AddParagraph("Text for moon shape");
//Encrypt the presentation with the combination of alpha and symbol string password.
presentation.Encrypt("MYPASSWORD!@#$%");
//Save the presentation.
presentation.Save("Sample.pptx");
//Close the presentation.
presentation.Close();

'Create a new presentation.
Dim presentation__1 As IPresentation = Presentation.Create()
'Add a new slide of content with caption slide layout type.
Dim slide As ISlide = presentation__1.Slides.Add(SlideLayoutType.ContentWithCaption)
'Add a auto shape of moon type auto shape.
Dim shape As IShape = slide.Shapes.AddShape(AutoShapeType.Moon, 50, 0, 200, 200)
'Add a paragraph with text content to the shape.
shape.TextBody.AddParagraph("Text for moon shape")
'Encrypt the presentation with the combination of alpha and symbol string password.
presentation__1.Encrypt("MYPASSWORD!@#$%")
'Save the presentation.
presentation__1.Save("Sample.pptx")
'Close the presentation.
presentation__1.Close()

Find(String, Boolean, Boolean)

Finds the text based on specified string, taking into the consideration of caseSensitive and wholeWord options.

Declaration

ITextSelection Find(string textToFind, bool caseSensitive, bool wholeWord)

Parameters

Type	Name	Description
System.String	textToFind	A text to find.
System.Boolean	caseSensitive	Set to true to match the similar case text which specified in the textToFind parameter; otherwise false.
System.Boolean	wholeWord	Set to true to match the whole word text which specified in the textToFind parameter; otherwise false.

Returns

Type	Description
ITextSelection	The ITextSelection that contains the found text in the document.

Examples

//Create a new presentation instance.
IPresentation presentation = Presentation.Create();
//Add the slide into the presentation
ISlide slide = presentation.Slides.Add(SlideLayoutType.Blank);
// Add a text box to hold the list
IShape textBoxShape = slide.AddTextBox(65, 140, 410, 270);
// Add a new paragraph with a text
IParagraph paragraph = textBoxShape.TextBody.AddParagraph("Hello World");
// Finds the text from the Presentation document
ITextSelection textSelection = presentation.Find("World", false, false);
// Gets the found text containing text parts
foreach (ITextPart textPart in textSelection.GetTextParts())
{
   //Sets Bold property
   textPart.Font.Bold = true;
}
//Save the presentation
presentation.Save("Output.pptx");
//Close the presentation
presentation.Close();

 'Creates a presentation.
 Dim presentation As IPresentation = Presentation.Create()
 'Add the slide into the presentation
 Dim slide As ISlide = presentation.Slides.Add(SlideLayoutType.Blank)
 'Add a text box to hold the list 
 Dim textBoxShape As IShape = slide.AddTextBox(65, 140, 410, 270)
 'Add a new paragraph with a text
 Dim paragraph As IParagraph = textBoxShape.TextBody.AddParagraph("Hello World")
 'Finds the text from the Presentation document
 Dim textSelection As ITextSelection = presentation.Find("World", False, False)
 'Gets the text parts from the selection
 For Each textPart As ITextPart In textSelection.GetTextParts()
     textPart.Font.Bold = True
 Next
 presentation.Save("Output.pptx")
 presentation.Close()

Find(Regex)

Finds the first occurrence of text that matches the specified Regex pattern.

Declaration

ITextSelection Find(Regex pattern)

Parameters

Type	Name	Description
System.Text.RegularExpressions.Regex	pattern	The System.Text.RegularExpressions.Regex used to find the text.

Returns

Type	Description
ITextSelection	The ITextSelection that contains the found text in the document.

Examples

//Opens an existing presentation.
using (IPresentation pptxDoc = Presentation.Open("Input.pptx"))
{
    // Create a regex pattern to find a text that starts with 'H' and ends with 'o'.
    Regex regex = new Regex("H.+?o");
    //Find the first occurrence of a specified regular expression.
    ITextSelection textSelection = pptxDoc.Find(regex);
    //Gets the found text as single text part
    ITextPart textPart = textSelection.GetAsOneTextPart();
    //Replace the text
    textPart.Text = "Replaced text";
    //Saves the Presentation	
    pptxDoc.Save("Output.pptx");
}

'Opens an existing presentation.
Using pptxDoc As IPresentation = Presentation.Open("Input.pptx")
' Create a regex pattern to find a text that starts with 'H' and ends with 'o'.
Dim regex As Regex = New Regex("H.+?o")
'Find the first occurrence of a specified regular expression.
Dim textSelection As ITextSelection = pptxDoc.Find(regex)
'Gets the found text as single text part
Dim textPart As ITextPart = textSelection.GetAsOneTextPart()
'Replace the text
textPart.Text = "Replaced text"
'Saves the Presentation	
pptxDoc.Save("Output.pptx")
End Using

FindAll(String, Boolean, Boolean)

Finds and returns all entries of the specified string, taking into the consideration of caseSensitive and wholeWord options.

Declaration

ITextSelection[] FindAll(string textToFind, bool caseSensitive, bool wholeWord)

Parameters

Type	Name	Description
System.String	textToFind	A text to find.
System.Boolean	caseSensitive	Set to true to match the similar case text which specified in the textToFind parameter; otherwise false.
System.Boolean	wholeWord	Set to true to match the whole word text which specified in the textToFind parameter; otherwise false.

Returns

Type	Description
ITextSelection[]	The ITextSelection collection that contains all the entries of the found text in the document.

Examples

//Create a new presentation instance.
IPresentation presentation = Presentation.Create();
//Add the slide into the presentation
ISlide slide = presentation.Slides.Add(SlideLayoutType.Blank);
// Add a text box to hold the list
IShape textBoxShape = slide.AddTextBox(65, 140, 410, 270);
// Add a new paragraph with a text
IParagraph paragraph = textBoxShape.TextBody.AddParagraph("Hello World");
// Finds all the text from the Presentation document
ITextSelection[] textSelections = presentation.FindAll("World", false, false);
foreach (ITextSelection textSelection in textSelections)
{
    //Gets the found text as single text part
    ITextPart textPart = textSelection.GetAsOneTextPart();
    //Replace the text
    textPart.Text = "Replaced text";
}
//Save the presentation
presentation.Save("Output.pptx");
//Close the presentation
presentation.Close();

 'Creates a presentation.
 Dim presentation As IPresentation = Presentation.Create()
 'Add the slide into the presentation
 Dim slide As ISlide = presentation.Slides.Add(SlideLayoutType.Blank)
 'Add a text box to hold the list 
 Dim textBoxShape As IShape = slide.AddTextBox(65, 140, 410, 270)
 'Add a new paragraph with a text
 Dim paragraph As IParagraph = textBoxShape.TextBody.AddParagraph("Hello World")
 'Finds the text from the Presentation document
 Dim textSelections As ITextSelection() = presentation.FindAll("World", False, False)
 'Gets the found text as single text part and replace it
 For Each textSelection As ITextSelection In textSelections
     Dim textPart As ITextPart = textSelection.GetAsOneTextPart()
     textPart.Text = "Replaced text"
 Next
 presentation.Save("Output.pptx")
 presentation.Close()

FindAll(Regex)

Finds all occurrences of text that match the specified Regex pattern.

Declaration

ITextSelection[] FindAll(Regex pattern)

Parameters

Type	Name	Description
System.Text.RegularExpressions.Regex	pattern	The System.Text.RegularExpressions.Regex used to find the text.

Returns

Type	Description
ITextSelection[]	The ITextSelection collection that contains all the entries of the found text in the document.

Examples

//Opens an existing presentation.
using (IPresentation pptxDoc = Presentation.Open("Input.pptx"))
{
    // Create a regex pattern to find a text that starts with 'H' and ends with 'o'.
    Regex regex = new Regex("H.+?o");
    //Finds all the occurrences of a specified regular expression.
    ITextSelection[] textSelections = pptxDoc.FindAll(regex);
    foreach (ITextSelection textSelection in textSelections)
    {
        //Gets the found text as single text part
        ITextPart textPart = textSelection.GetAsOneTextPart();
        //Replace the text
        textPart.Text = "Replaced text";
    }
    //Saves the Presentation	
    pptxDoc.Save("Output.pptx");
}

 'Opens an existing presentation.
 Using pptxDoc As IPresentation = Presentation.Open("Input.pptx")
     ' Create a regex pattern to find a text that starts with 'H' and ends with 'o'.
     Dim regex As Regex = New Regex("H.+?o")
     'Finds all the occurrences of a specified regular expression.
     Dim textSelections As ITextSelection() = pptxDoc.FindAll(regex)
     For Each textSelection As ITextSelection In textSelections
        'Gets the found text as single text part
        Dim textPart As ITextPart = textSelection.GetAsOneTextPart()
        'Replace the text
        textPart.Text = "Replaced text"
     Next
     'Saves the Presentation	
     pptxDoc.Save("Output.pptx")
 End Using

RemoveEncryption()

Removes the encryption from presentation.

Declaration

void RemoveEncryption()

Examples

//Open the encrypted presentation.
IPresentation presentation = Presentation.Open("Input.pptx", "MYPASSWORD!@#$%");          
//Remove the encryption.
presentation.RemoveEncryption();
//Save the presentation.
presentation.Save("Sample.pptx");
//Close the presentation.
presentation.Close();

'Open the encrypted presentation.
Dim presentation__1 As IPresentation = Presentation.Open("Input.pptx", "MYPASSWORD!@#$%")
'Remove the encryption.
presentation__1.RemoveEncryption()
'Save the presentation.
presentation__1.Save("Sample.pptx")
'Close the presentation.
presentation__1.Close()

RemoveMacros()

Removes the macros from the presentation instance.

Declaration

void RemoveMacros()

Examples

 //Opens an existing macro enabled PowerPoint presentation
 IPresentation pptxDoc = Presentation.Open("Sample.PPTM");
 //Checks whether the presentation has macros and then removes them
 if (pptxDoc.HasMacros)
    pptxDoc.RemoveMacros();
 //Saves the presentation
 pptxDoc.Save("Output.pptx");
 //Closes the presentation
 pptxDoc.Close();

'Opens an existing macro enabled PowerPoint presentation
Dim pptxDoc As IPresentation = Presentation.Open("Sample.PPTM")
'Checks whether the presentation has macros and then removes them
If pptxDoc.HasMacros Then
    pptxDoc.RemoveMacros()
End If
'Saves the presentation
pptxDoc.Save("Output.pptx")
'Closes the presentation
pptxDoc.Close()

RemoveWriteProtection()

Removes the write Protection from presentation instance

Declaration

void RemoveWriteProtection()

Examples

 //Create an instance for presentation
 IPresentation presentation = Presentation.Open("Sample.pptx");
 //Check whether the presentation is write protected.
 if (presentation.IsWriteProtected)
 {
    //Removes the write protection from presentation instance
    presentation.RemoveWriteProtection();
  }
 //Save the presentation
 presentation.Save("Output.pptx");
 //Close the presentation.
 presentation.Close();

'Create an instance for presentation
Dim presentation As IPresentation = Presentation.Open("Sample.pptx")
'Check whether the presentation is write protected.
if (presentation.IsWriteProtected)
{
   //Removes the write protection from presentation instance
   presentation.RemoveWriteProtection()
 }
'Save the presentation
presentation.Save("Output.pptx")
'Close the presentation.
presentation.Close()

RenderAsImages(ExportImageFormat)

Converts the presentation slides to images and returns the stream array.

Declaration

Stream[] RenderAsImages(ExportImageFormat imageFormat)

Parameters

Type	Name	Description
ExportImageFormat	imageFormat	Specifies the image format to convert slides.

Returns

Type	Description
System.IO.Stream[]	Returns the System.IO.Stream array of the converted images.

Examples

 //Create a new presentation.
 IPresentation presentation = Presentation.Create();
 //Add a content with caption slide to the presentation.
 ISlide slide = presentation.Slides.Add(SlideLayoutType.ContentWithCaption);
 //Add a table to the slide.
 ITable table = slide.Tables.AddTable(5, 5, 20, 20, 500, 500);
 //Set the built in table style.
 table.BuiltInStyle = BuiltInTableStyle.DarkStyle2Accent3Accent4;
 //Iterate through the row collection.
 foreach (IRow row in table.Rows)
 {
 //Iterate through the cell collection.
 foreach (ICell cell in row.Cells)
 {
 //Add a paragraph to the cell.
 cell.TextBody.AddParagraph("New Paragraph");
 }
 }
 //Converts the each and every slide in the presentation to image of stream array type.
 Stream[] imageStreamArray = presentation.RenderAsImages(ExportImageFormat.Jpeg);
 //Iterate the stream array.
 foreach (Stream stream in imageStreamArray)
 {
 //Save the stream in image of .jpg format.
 Image.FromStream(stream).Save("RenderAsImage" + Guid.NewGuid() + ".jpg");
 } 
 //Close the presentation.
 presentation.Close();

'Create a new presentation.
Dim presentation__1 As IPresentation = Presentation.Create()
'Add a content with caption slide to the presentation.
Dim slide As ISlide = presentation__1.Slides.Add(SlideLayoutType.ContentWithCaption)
'Add a table to the slide.
Dim table As ITable = slide.Tables.AddTable(5, 5, 20, 20, 500, 500)
'Set the built in table style.
table.BuiltInStyle = BuiltInTableStyle.DarkStyle2Accent3Accent4
'Iterate through the row collection.
For Each row As IRow In table.Rows
'Iterate through the cell collection.
For Each cell As ICell In row.Cells
'Add a paragraph to the cell.
cell.TextBody.AddParagraph("New Paragraph")
Next
Next
'Converts the each and every slide in the presentation to image of stream array type.
Dim imageStreamArray As Stream() = presentation__1.RenderAsImages(ExportImageFormat.Jpeg)
'Iterate the stream array.
For Each stream As Stream In imageStreamArray
'Save the stream in image of .jpg format.
Image.FromStream(stream).Save("RenderAsImage" + Guid.NewGuid() + ".jpg")
Next
'Close the presentation.
presentation__1.Close()

Save(Stream)

Declaration

void Save(Stream stream)

Parameters

Type	Name	Description
System.IO.Stream	stream

Remarks

At present, the Essential Presentation library only supports the PPTX file format.

Examples

//Create instance for memory stream
MemoryStream fileStream = new MemoryStream();
//Open a presentation
IPresentation presentation = Presentation.Create();
//Add slide to the presentation
ISlide slide = presentation.Slides.Add(SlideLayoutType.Blank);
//Add table to the slide
ITable table = slide.Shapes.AddTable(3, 3, 100, 120, 300, 200);
//Save the presentation using stream
presentation.Save(fileStream);
//Close the presentation.
presentation.Close();
//Dispose the file stream
fileStream.Dispose();

'Create instance for memory stream
Dim fileStream As New MemoryStream()
'Open a presentation
Dim presentation__1 As IPresentation = Presentation.Create()
'Add slide to the presentation
Dim slide As ISlide = presentation__1.Slides.Add(SlideLayoutType.Blank)
'Add table to the slide
Dim table As ITable = slide.Shapes.AddTable(3, 3, 100, 120, 300, 200)
'Save the presentation using stream
presentation__1.Save(fileStream)
'Close the presentation.
presentation__1.Close()
'Dispose the file stream
fileStream.Dispose()

Save(String)

Saves the presentation to the specified file name.

Declaration

void Save(string fileName)

Parameters

Type	Name	Description
System.String	fileName	Specifies the file name to save the presentation.

Remarks

At present, the Essential Presentation library only supports the PPTX file format.

Examples

//Create instance of PowerPoint presentation
IPresentation presentation = Presentation.Create();
//Add slide to the presentation
ISlide slide = presentation.Slides.Add(SlideLayoutType.Blank);
//Add table to the slide
ITable table = slide.Shapes.AddTable(3, 3, 100, 120, 300, 200);
//Save the presentation
presentation.Save("Output.pptx");
//Close the presentation
presentation.Close();

'Create instance of PowerPoint presentation
Dim presentation__1 As IPresentation = Presentation.Create()
'Add slide to the presentation
Dim slide As ISlide = presentation__1.Slides.Add(SlideLayoutType.Blank)
'Add table to the slide
Dim table As ITable = slide.Shapes.AddTable(3, 3, 100, 120, 300, 200)
'Save the presentation
presentation__1.Save("Output.pptx")
'Close the presentation
presentation__1.Close()

SetWriteProtection(String)

Sets the write protection for the presentation instance

Declaration

void SetWriteProtection(string password)

Parameters

Type	Name	Description
System.String	password	Password to enforce protection.

Remarks

Maximum length of password should be 15. If it exceeds 15, first 15 characters will be considered for protection, remaining will be ignored.

Examples

//Create an instance for presentation
IPresentation presentation = Presentation.Create();
//Add a new slide of comparison slide layout type.
ISlide slide = presentation.Slides.Add(SlideLayoutType.Comparison);            
//Add an auto shape of regular pentagon auto shape type.
slide.Shapes.AddShape(AutoShapeType.RegularPentagon, 10, 20, 300, 400);
//Set the write protection for Presentation instance with password.
presentation.SetWriteProtection("MYPASSWORD");
//Save the presentation
presentation.Save("Sample.pptx");
//Close the presentation.
presentation.Close();

'Create an instance for presentation
Dim presentation As IPresentation = Presentation.Create()
'Add a new slide of comparison slide layout type.
Dim slide As ISlide = presentation.Slides.Add(SlideLayoutType.Comparison)
'Add an auto shape of regular pentagon auto shape type.
slide.Shapes.AddShape(AutoShapeType.RegularPentagon, 10, 20, 300, 400)
'Set the write protection for Presentation instance with password.
presentation.SetWriteProtection("MYPASSWORD")
'Save the presentation
presentation.Save("Sample.pptx")
'Close the presentation.
presentation.Close()