Knowledgebase (2343)
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class Program
{
static void Main(string[] args)
{
string fileName = @"..\..\Documents\myppt6.pptx";
string author = "MZ";
DeleteCommentsByAuthorInPresentation(fileName, author);
}
// Remove all the comments in the slides by a certain author.
public static void DeleteCommentsByAuthorInPresentation(string fileName, string author)
{
if (String.IsNullOrEmpty(fileName) || String.IsNullOrEmpty(author))
throw new ArgumentNullException("File name or author name is NULL!");
using (PresentationDocument doc = PresentationDocument.Open(fileName, true))
{
// Get the specifed comment author.
IEnumerable commentAuthors =
doc.PresentationPart.CommentAuthorsPart.CommentAuthorList.Elements()
.Where(e => e.Name.Value.Equals(author));
// Iterate through all the matching authors.
foreach (CommentAuthor commentAuthor in commentAuthors)
{
UInt32Value authorId = commentAuthor.Id;
// Iterate through all the slides and get the slide parts.
foreach (SlidePart slide in doc.PresentationPart.SlideParts)
{
SlideCommentsPart slideCommentsPart = slide.SlideCommentsPart;
// Get the list of comments.
if (slideCommentsPart != null && slide.SlideCommentsPart.CommentList != null)
{
IEnumerable commentList =
slideCommentsPart.CommentList.Elements().Where(e => e.AuthorId == authorId.Value);
List comments = new List();
comments = commentList.ToList();
foreach (Comment comm in comments)
{
// Delete all the comments by the specified author.
slideCommentsPart.CommentList.RemoveChild(comm);
}
// If the commentPart has no existing comment.
if (slideCommentsPart.CommentList.ChildElements.Count == 0)
// Delete this part.
slide.DeletePart(slideCommentsPart);
}
}
// Delete the comment author from the comment authors part.
doc.PresentationPart.CommentAuthorsPart.CommentAuthorList.RemoveChild(commentAuthor);
}
}
}
}
Published in
OpenXML
class Program
{
static void Main(string[] args)
{
DeleteSlide(@"..\..\Documents\Myppt5.pptx", 2);
Console.WriteLine("Number of slides = {0}",CountSlides(@"..\..\Documents\Myppt5.pptx"));
}
// Get the presentation object and pass it to the next CountSlides method.
public static int CountSlides(string presentationFile)
{
// Open the presentation as read-only.
using (PresentationDocument presentationDocument = PresentationDocument.Open(presentationFile, false))
{
// Pass the presentation to the next CountSlide method
// and return the slide count.
return CountSlides(presentationDocument);
}
}
// Count the slides in the presentation.
public static int CountSlides(PresentationDocument presentationDocument)
{
// Check for a null document object.
if (presentationDocument == null)
{
throw new ArgumentNullException("presentationDocument");
}
int slidesCount = 0;
// Get the presentation part of document.
PresentationPart presentationPart = presentationDocument.PresentationPart;
// Get the slide count from the SlideParts.
if (presentationPart != null)
{
slidesCount = presentationPart.SlideParts.Count();
}
// Return the slide count to the previous method.
return slidesCount;
}
//
// Get the presentation object and pass it to the next DeleteSlide method.
public static void DeleteSlide(string presentationFile, int slideIndex)
{
// Open the source document as read/write.
using (PresentationDocument presentationDocument = PresentationDocument.Open(presentationFile, true))
{
// Pass the source document and the index of the slide to be deleted to the next DeleteSlide method.
DeleteSlide(presentationDocument, slideIndex);
}
}
// Delete the specified slide from the presentation.
public static void DeleteSlide(PresentationDocument presentationDocument, int slideIndex)
{
if (presentationDocument == null)
{
throw new ArgumentNullException("presentationDocument");
}
// Use the CountSlides sample to get the number of slides in the presentation.
int slidesCount = CountSlides(presentationDocument);
if (slideIndex < 0 || slideIndex >= slidesCount)
{
throw new ArgumentOutOfRangeException("slideIndex");
}
// Get the presentation part from the presentation document.
PresentationPart presentationPart = presentationDocument.PresentationPart;
// Get the presentation from the presentation part.
Presentation presentation = presentationPart.Presentation;
// Get the list of slide IDs in the presentation.
SlideIdList slideIdList = presentation.SlideIdList;
// Get the slide ID of the specified slide
SlideId slideId = slideIdList.ChildElements[slideIndex] as SlideId;
// Get the relationship ID of the slide.
string slideRelId = slideId.RelationshipId;
// Remove the slide from the slide list.
slideIdList.RemoveChild(slideId);
//
// Remove references to the slide from all custom shows.
if (presentation.CustomShowList != null)
{
// Iterate through the list of custom shows.
foreach (var customShow in presentation.CustomShowList.Elements())
{
if (customShow.SlideList != null)
{
// Declare a link list of slide list entries.
LinkedList slideListEntries = new LinkedList();
foreach (SlideListEntry slideListEntry in customShow.SlideList.Elements())
{
// Find the slide reference to remove from the custom show.
if (slideListEntry.Id != null && slideListEntry.Id == slideRelId)
{
slideListEntries.AddLast(slideListEntry);
}
}
// Remove all references to the slide from the custom show.
foreach (SlideListEntry slideListEntry in slideListEntries)
{
customShow.SlideList.RemoveChild(slideListEntry);
}
}
}
}
// Save the modified presentation.
presentation.Save();
// Get the slide part for the specified slide.
SlidePart slidePart = presentationPart.GetPartById(slideRelId) as SlidePart;
// Remove the slide part.
presentationPart.DeletePart(slidePart);
}
}
Published in
OpenXML
class Program
{
static void Main(string[] args)
{
string filepath = @"..\..\Documents\PresentationFromFilename.pptx";
CreatePresentation(filepath);
}
public static void CreatePresentation(string filepath)
{
// Create a presentation at a specified file path. The presentation document type is pptx, by default.
PresentationDocument presentationDoc = PresentationDocument.Create(filepath, PresentationDocumentType.Presentation);
PresentationPart presentationPart = presentationDoc.AddPresentationPart();
presentationPart.Presentation = new Presentation();
CreatePresentationParts(presentationPart);
//Close the presentation handle
presentationDoc.Close();
}
private static void CreatePresentationParts(PresentationPart presentationPart)
{
SlideMasterIdList slideMasterIdList1 = new SlideMasterIdList(new SlideMasterId() { Id = (UInt32Value)2147483648U, RelationshipId = "rId1" });
SlideIdList slideIdList1 = new SlideIdList(new SlideId() { Id = (UInt32Value)256U, RelationshipId = "rId2" });
SlideSize slideSize1 = new SlideSize() { Cx = 9144000, Cy = 6858000, Type = SlideSizeValues.Screen4x3 };
NotesSize notesSize1 = new NotesSize() { Cx = 6858000, Cy = 9144000 };
DefaultTextStyle defaultTextStyle1 = new DefaultTextStyle();
presentationPart.Presentation.Append(slideMasterIdList1, slideIdList1, slideSize1, notesSize1, defaultTextStyle1);
SlidePart slidePart1;
SlideLayoutPart slideLayoutPart1;
SlideMasterPart slideMasterPart1;
ThemePart themePart1;
slidePart1 = CreateSlidePart(presentationPart);
slideLayoutPart1 = CreateSlideLayoutPart(slidePart1);
slideMasterPart1 = CreateSlideMasterPart(slideLayoutPart1);
themePart1 = CreateTheme(slideMasterPart1);
slideMasterPart1.AddPart(slideLayoutPart1, "rId1");
presentationPart.AddPart(slideMasterPart1, "rId1");
presentationPart.AddPart(themePart1, "rId5");
}
private static SlidePart CreateSlidePart(PresentationPart presentationPart)
{
SlidePart slidePart1 = presentationPart.AddNewPart("rId2");
slidePart1.Slide = new Slide(
new CommonSlideData(
new ShapeTree(
new P.NonVisualGroupShapeProperties(
new P.NonVisualDrawingProperties() { Id = (UInt32Value)1U, Name = "" },
new P.NonVisualGroupShapeDrawingProperties(),
new ApplicationNonVisualDrawingProperties()),
new GroupShapeProperties(new TransformGroup()),
new P.Shape(
new P.NonVisualShapeProperties(
new P.NonVisualDrawingProperties() { Id = (UInt32Value)2U, Name = "Title 1" },
new P.NonVisualShapeDrawingProperties(new ShapeLocks() { NoGrouping = true }),
new ApplicationNonVisualDrawingProperties(new PlaceholderShape())),
new P.ShapeProperties(),
new P.TextBody(
new BodyProperties(),
new ListStyle(),
new Paragraph(new EndParagraphRunProperties() { Language = "en-US" }))))),
new ColorMapOverride(new MasterColorMapping()));
return slidePart1;
}
private static SlideLayoutPart CreateSlideLayoutPart(SlidePart slidePart1)
{
SlideLayoutPart slideLayoutPart1 = slidePart1.AddNewPart("rId1");
SlideLayout slideLayout = new SlideLayout(
new CommonSlideData(new ShapeTree(
new P.NonVisualGroupShapeProperties(
new P.NonVisualDrawingProperties() { Id = (UInt32Value)1U, Name = "" },
new P.NonVisualGroupShapeDrawingProperties(),
new ApplicationNonVisualDrawingProperties()),
new GroupShapeProperties(new TransformGroup()),
new P.Shape(
new P.NonVisualShapeProperties(
new P.NonVisualDrawingProperties() { Id = (UInt32Value)2U, Name = "" },
new P.NonVisualShapeDrawingProperties(new ShapeLocks() { NoGrouping = true }),
new ApplicationNonVisualDrawingProperties(new PlaceholderShape())),
new P.ShapeProperties(),
new P.TextBody(
new BodyProperties(),
new ListStyle(),
new Paragraph(new EndParagraphRunProperties()))))),
new ColorMapOverride(new MasterColorMapping()));
slideLayoutPart1.SlideLayout = slideLayout;
return slideLayoutPart1;
}
private static SlideMasterPart CreateSlideMasterPart(SlideLayoutPart slideLayoutPart1)
{
SlideMasterPart slideMasterPart1 = slideLayoutPart1.AddNewPart("rId1");
SlideMaster slideMaster = new SlideMaster(
new CommonSlideData(new ShapeTree(
new P.NonVisualGroupShapeProperties(
new P.NonVisualDrawingProperties() { Id = (UInt32Value)1U, Name = "" },
new P.NonVisualGroupShapeDrawingProperties(),
new ApplicationNonVisualDrawingProperties()),
new GroupShapeProperties(new TransformGroup()),
new P.Shape(
new P.NonVisualShapeProperties(
new P.NonVisualDrawingProperties() { Id = (UInt32Value)2U, Name = "Title Placeholder 1" },
new P.NonVisualShapeDrawingProperties(new ShapeLocks() { NoGrouping = true }),
new ApplicationNonVisualDrawingProperties(new PlaceholderShape() { Type = PlaceholderValues.Title })),
new P.ShapeProperties(),
new P.TextBody(
new BodyProperties(),
new ListStyle(),
new Paragraph())))),
new P.ColorMap() { Background1 = D.ColorSchemeIndexValues.Light1, Text1 = D.ColorSchemeIndexValues.Dark1, Background2 = D.ColorSchemeIndexValues.Light2, Text2 = D.ColorSchemeIndexValues.Dark2, Accent1 = D.ColorSchemeIndexValues.Accent1, Accent2 = D.ColorSchemeIndexValues.Accent2, Accent3 = D.ColorSchemeIndexValues.Accent3, Accent4 = D.ColorSchemeIndexValues.Accent4, Accent5 = D.ColorSchemeIndexValues.Accent5, Accent6 = D.ColorSchemeIndexValues.Accent6, Hyperlink = D.ColorSchemeIndexValues.Hyperlink, FollowedHyperlink = D.ColorSchemeIndexValues.FollowedHyperlink },
new SlideLayoutIdList(new SlideLayoutId() { Id = (UInt32Value)2147483649U, RelationshipId = "rId1" }),
new TextStyles(new TitleStyle(), new BodyStyle(), new OtherStyle()));
slideMasterPart1.SlideMaster = slideMaster;
return slideMasterPart1;
}
private static ThemePart CreateTheme(SlideMasterPart slideMasterPart1)
{
ThemePart themePart1 = slideMasterPart1.AddNewPart("rId5");
D.Theme theme1 = new D.Theme() { Name = "Office Theme" };
D.ThemeElements themeElements1 = new D.ThemeElements(
new D.ColorScheme(
new D.Dark1Color(new D.SystemColor() { Val = D.SystemColorValues.WindowText, LastColor = "000000" }),
new D.Light1Color(new D.SystemColor() { Val = D.SystemColorValues.Window, LastColor = "FFFFFF" }),
new D.Dark2Color(new D.RgbColorModelHex() { Val = "1F497D" }),
new D.Light2Color(new D.RgbColorModelHex() { Val = "EEECE1" }),
new D.Accent1Color(new D.RgbColorModelHex() { Val = "4F81BD" }),
new D.Accent2Color(new D.RgbColorModelHex() { Val = "C0504D" }),
new D.Accent3Color(new D.RgbColorModelHex() { Val = "9BBB59" }),
new D.Accent4Color(new D.RgbColorModelHex() { Val = "8064A2" }),
new D.Accent5Color(new D.RgbColorModelHex() { Val = "4BACC6" }),
new D.Accent6Color(new D.RgbColorModelHex() { Val = "F79646" }),
new D.Hyperlink(new D.RgbColorModelHex() { Val = "0000FF" }),
new D.FollowedHyperlinkColor(new D.RgbColorModelHex() { Val = "800080" }))
{ Name = "Office" },
new D.FontScheme(
new D.MajorFont(
new D.LatinFont() { Typeface = "Calibri" },
new D.EastAsianFont() { Typeface = "" },
new D.ComplexScriptFont() { Typeface = "" }),
new D.MinorFont(
new D.LatinFont() { Typeface = "Calibri" },
new D.EastAsianFont() { Typeface = "" },
new D.ComplexScriptFont() { Typeface = "" }))
{ Name = "Office" },
new D.FormatScheme(
new D.FillStyleList(
new D.SolidFill(new D.SchemeColor() { Val = D.SchemeColorValues.PhColor }),
new D.GradientFill(
new D.GradientStopList(
new D.GradientStop(new D.SchemeColor(new D.Tint() { Val = 50000 },
new D.SaturationModulation() { Val = 300000 })
{ Val = D.SchemeColorValues.PhColor })
{ Position = 0 },
new D.GradientStop(new D.SchemeColor(new D.Tint() { Val = 37000 },
new D.SaturationModulation() { Val = 300000 })
{ Val = D.SchemeColorValues.PhColor })
{ Position = 35000 },
new D.GradientStop(new D.SchemeColor(new D.Tint() { Val = 15000 },
new D.SaturationModulation() { Val = 350000 })
{ Val = D.SchemeColorValues.PhColor })
{ Position = 100000 }
),
new D.LinearGradientFill() { Angle = 16200000, Scaled = true }),
new D.NoFill(),
new D.PatternFill(),
new D.GroupFill()),
new D.LineStyleList(
new D.Outline(
new D.SolidFill(
new D.SchemeColor(
new D.Shade() { Val = 95000 },
new D.SaturationModulation() { Val = 105000 })
{ Val = D.SchemeColorValues.PhColor }),
new D.PresetDash() { Val = D.PresetLineDashValues.Solid })
{
Width = 9525,
CapType = D.LineCapValues.Flat,
CompoundLineType = D.CompoundLineValues.Single,
Alignment = D.PenAlignmentValues.Center
},
new D.Outline(
new D.SolidFill(
new D.SchemeColor(
new D.Shade() { Val = 95000 },
new D.SaturationModulation() { Val = 105000 })
{ Val = D.SchemeColorValues.PhColor }),
new D.PresetDash() { Val = D.PresetLineDashValues.Solid })
{
Width = 9525,
CapType = D.LineCapValues.Flat,
CompoundLineType = D.CompoundLineValues.Single,
Alignment = D.PenAlignmentValues.Center
},
new D.Outline(
new D.SolidFill(
new D.SchemeColor(
new D.Shade() { Val = 95000 },
new D.SaturationModulation() { Val = 105000 })
{ Val = D.SchemeColorValues.PhColor }),
new D.PresetDash() { Val = D.PresetLineDashValues.Solid })
{
Width = 9525,
CapType = D.LineCapValues.Flat,
CompoundLineType = D.CompoundLineValues.Single,
Alignment = D.PenAlignmentValues.Center
}),
new D.EffectStyleList(
new D.EffectStyle(
new D.EffectList(
new D.OuterShadow(
new D.RgbColorModelHex(
new D.Alpha() { Val = 38000 })
{ Val = "000000" })
{ BlurRadius = 40000L, Distance = 20000L, Direction = 5400000, RotateWithShape = false })),
new D.EffectStyle(
new D.EffectList(
new D.OuterShadow(
new D.RgbColorModelHex(
new D.Alpha() { Val = 38000 })
{ Val = "000000" })
{ BlurRadius = 40000L, Distance = 20000L, Direction = 5400000, RotateWithShape = false })),
new D.EffectStyle(
new D.EffectList(
new D.OuterShadow(
new D.RgbColorModelHex(
new D.Alpha() { Val = 38000 })
{ Val = "000000" })
{ BlurRadius = 40000L, Distance = 20000L, Direction = 5400000, RotateWithShape = false }))),
new D.BackgroundFillStyleList(
new D.SolidFill(new D.SchemeColor() { Val = D.SchemeColorValues.PhColor }),
new D.GradientFill(
new D.GradientStopList(
new D.GradientStop(
new D.SchemeColor(new D.Tint() { Val = 50000 },
new D.SaturationModulation() { Val = 300000 })
{ Val = D.SchemeColorValues.PhColor })
{ Position = 0 },
new D.GradientStop(
new D.SchemeColor(new D.Tint() { Val = 50000 },
new D.SaturationModulation() { Val = 300000 })
{ Val = D.SchemeColorValues.PhColor })
{ Position = 0 },
new D.GradientStop(
new D.SchemeColor(new D.Tint() { Val = 50000 },
new D.SaturationModulation() { Val = 300000 })
{ Val = D.SchemeColorValues.PhColor })
{ Position = 0 }),
new D.LinearGradientFill() { Angle = 16200000, Scaled = true }),
new D.GradientFill(
new D.GradientStopList(
new D.GradientStop(
new D.SchemeColor(new D.Tint() { Val = 50000 },
new D.SaturationModulation() { Val = 300000 })
{ Val = D.SchemeColorValues.PhColor })
{ Position = 0 },
new D.GradientStop(
new D.SchemeColor(new D.Tint() { Val = 50000 },
new D.SaturationModulation() { Val = 300000 })
{ Val = D.SchemeColorValues.PhColor })
{ Position = 0 }),
new D.LinearGradientFill() { Angle = 16200000, Scaled = true })))
{ Name = "Office" });
theme1.Append(themeElements1);
theme1.Append(new D.ObjectDefaults());
theme1.Append(new D.ExtraColorSchemeList());
themePart1.Theme = theme1;
return themePart1;
}
}
Published in
OpenXML
