Class BookmarksOutlineLevelCollection
Class BookmarksOutlineLevelCollection
Namespace: Aspose.Words.Saving
Assembly: Aspose.Words.dll (25.12.0)
A collection of individual bookmarks outline level.
To learn more, visit the Working with Bookmarks documentation article.
public class BookmarksOutlineLevelCollection : IEnumerable<KeyValuePair<string, int>>, IEnumerableInheritance
object ← BookmarksOutlineLevelCollection
Implements
IEnumerable<KeyValuePair<string, int>> , IEnumerable
Inherited Members
object.GetType() , object.MemberwiseClone() , object.ToString() , object.Equals(object?) , object.Equals(object?, object?) , object.ReferenceEquals(object?, object?) , object.GetHashCode()
Examples
Shows how to set outline levels for bookmarks.
Document doc = new Document();
DocumentBuilder builder = new DocumentBuilder(doc);
// Insert a bookmark with another bookmark nested inside it.
builder.StartBookmark("Bookmark 1");
builder.Writeln("Text inside Bookmark 1.");
builder.StartBookmark("Bookmark 2");
builder.Writeln("Text inside Bookmark 1 and 2.");
builder.EndBookmark("Bookmark 2");
builder.Writeln("Text inside Bookmark 1.");
builder.EndBookmark("Bookmark 1");
// Insert another bookmark.
builder.StartBookmark("Bookmark 3");
builder.Writeln("Text inside Bookmark 3.");
builder.EndBookmark("Bookmark 3");
// When saving to .pdf, bookmarks can be accessed via a drop-down menu and used as anchors by most readers.
// Bookmarks can also have numeric values for outline levels,
// enabling lower level outline entries to hide higher-level child entries when collapsed in the reader.
PdfSaveOptions pdfSaveOptions = new PdfSaveOptions();
BookmarksOutlineLevelCollection outlineLevels = pdfSaveOptions.OutlineOptions.BookmarksOutlineLevels;
outlineLevels.Add("Bookmark 1", 1);
outlineLevels.Add("Bookmark 2", 2);
outlineLevels.Add("Bookmark 3", 3);
Assert.That(outlineLevels.Count, Is.EqualTo(3));
Assert.That(outlineLevels.Contains("Bookmark 1"), Is.True);
Assert.That(outlineLevels[0], Is.EqualTo(1));
Assert.That(outlineLevels["Bookmark 2"], Is.EqualTo(2));
Assert.That(outlineLevels.IndexOfKey("Bookmark 3"), Is.EqualTo(2));
// We can remove two elements so that only the outline level designation for "Bookmark 1" is left.
outlineLevels.RemoveAt(2);
outlineLevels.Remove("Bookmark 2");
// There are nine outline levels. Their numbering will be optimized during the save operation.
// In this case, levels "5" and "9" will become "2" and "3".
outlineLevels.Add("Bookmark 2", 5);
outlineLevels.Add("Bookmark 3", 9);
doc.Save(ArtifactsDir + "BookmarksOutlineLevelCollection.BookmarkLevels.pdf", pdfSaveOptions);
// Emptying this collection will preserve the bookmarks and put them all on the same outline level.
outlineLevels.Clear();Remarks
Key is a case-insensitive string bookmark name. Value is a int bookmark outline level.
Bookmark outline level may be a value from 0 to 9. Specify 0 and Word bookmark will not be displayed in the document outline. Specify 1 and Word bookmark will be displayed in the document outline at level 1; 2 for level 2 and so on.
Constructors
BookmarksOutlineLevelCollection()
public BookmarksOutlineLevelCollection()Properties
Count
Gets the number of elements contained in the collection.
public int Count { get; }Property Value
Examples
Shows how to set outline levels for bookmarks.
Document doc = new Document();
DocumentBuilder builder = new DocumentBuilder(doc);
// Insert a bookmark with another bookmark nested inside it.
builder.StartBookmark("Bookmark 1");
builder.Writeln("Text inside Bookmark 1.");
builder.StartBookmark("Bookmark 2");
builder.Writeln("Text inside Bookmark 1 and 2.");
builder.EndBookmark("Bookmark 2");
builder.Writeln("Text inside Bookmark 1.");
builder.EndBookmark("Bookmark 1");
// Insert another bookmark.
builder.StartBookmark("Bookmark 3");
builder.Writeln("Text inside Bookmark 3.");
builder.EndBookmark("Bookmark 3");
// When saving to .pdf, bookmarks can be accessed via a drop-down menu and used as anchors by most readers.
// Bookmarks can also have numeric values for outline levels,
// enabling lower level outline entries to hide higher-level child entries when collapsed in the reader.
PdfSaveOptions pdfSaveOptions = new PdfSaveOptions();
BookmarksOutlineLevelCollection outlineLevels = pdfSaveOptions.OutlineOptions.BookmarksOutlineLevels;
outlineLevels.Add("Bookmark 1", 1);
outlineLevels.Add("Bookmark 2", 2);
outlineLevels.Add("Bookmark 3", 3);
Assert.That(outlineLevels.Count, Is.EqualTo(3));
Assert.That(outlineLevels.Contains("Bookmark 1"), Is.True);
Assert.That(outlineLevels[0], Is.EqualTo(1));
Assert.That(outlineLevels["Bookmark 2"], Is.EqualTo(2));
Assert.That(outlineLevels.IndexOfKey("Bookmark 3"), Is.EqualTo(2));
// We can remove two elements so that only the outline level designation for "Bookmark 1" is left.
outlineLevels.RemoveAt(2);
outlineLevels.Remove("Bookmark 2");
// There are nine outline levels. Their numbering will be optimized during the save operation.
// In this case, levels "5" and "9" will become "2" and "3".
outlineLevels.Add("Bookmark 2", 5);
outlineLevels.Add("Bookmark 3", 9);
doc.Save(ArtifactsDir + "BookmarksOutlineLevelCollection.BookmarkLevels.pdf", pdfSaveOptions);
// Emptying this collection will preserve the bookmarks and put them all on the same outline level.
outlineLevels.Clear();this[string]
Gets or a sets a bookmark outline level by the bookmark name.
public int this[string name] { get; set; }Property Value
Examples
Shows how to set outline levels for bookmarks.
Document doc = new Document();
DocumentBuilder builder = new DocumentBuilder(doc);
// Insert a bookmark with another bookmark nested inside it.
builder.StartBookmark("Bookmark 1");
builder.Writeln("Text inside Bookmark 1.");
builder.StartBookmark("Bookmark 2");
builder.Writeln("Text inside Bookmark 1 and 2.");
builder.EndBookmark("Bookmark 2");
builder.Writeln("Text inside Bookmark 1.");
builder.EndBookmark("Bookmark 1");
// Insert another bookmark.
builder.StartBookmark("Bookmark 3");
builder.Writeln("Text inside Bookmark 3.");
builder.EndBookmark("Bookmark 3");
// When saving to .pdf, bookmarks can be accessed via a drop-down menu and used as anchors by most readers.
// Bookmarks can also have numeric values for outline levels,
// enabling lower level outline entries to hide higher-level child entries when collapsed in the reader.
PdfSaveOptions pdfSaveOptions = new PdfSaveOptions();
BookmarksOutlineLevelCollection outlineLevels = pdfSaveOptions.OutlineOptions.BookmarksOutlineLevels;
outlineLevels.Add("Bookmark 1", 1);
outlineLevels.Add("Bookmark 2", 2);
outlineLevels.Add("Bookmark 3", 3);
Assert.That(outlineLevels.Count, Is.EqualTo(3));
Assert.That(outlineLevels.Contains("Bookmark 1"), Is.True);
Assert.That(outlineLevels[0], Is.EqualTo(1));
Assert.That(outlineLevels["Bookmark 2"], Is.EqualTo(2));
Assert.That(outlineLevels.IndexOfKey("Bookmark 3"), Is.EqualTo(2));
// We can remove two elements so that only the outline level designation for "Bookmark 1" is left.
outlineLevels.RemoveAt(2);
outlineLevels.Remove("Bookmark 2");
// There are nine outline levels. Their numbering will be optimized during the save operation.
// In this case, levels "5" and "9" will become "2" and "3".
outlineLevels.Add("Bookmark 2", 5);
outlineLevels.Add("Bookmark 3", 9);
doc.Save(ArtifactsDir + "BookmarksOutlineLevelCollection.BookmarkLevels.pdf", pdfSaveOptions);
// Emptying this collection will preserve the bookmarks and put them all on the same outline level.
outlineLevels.Clear();this[int]
Gets or sets a bookmark outline level at the specified index.
public int this[int index] { get; set; }Property Value
Examples
Shows how to set outline levels for bookmarks.
Document doc = new Document();
DocumentBuilder builder = new DocumentBuilder(doc);
// Insert a bookmark with another bookmark nested inside it.
builder.StartBookmark("Bookmark 1");
builder.Writeln("Text inside Bookmark 1.");
builder.StartBookmark("Bookmark 2");
builder.Writeln("Text inside Bookmark 1 and 2.");
builder.EndBookmark("Bookmark 2");
builder.Writeln("Text inside Bookmark 1.");
builder.EndBookmark("Bookmark 1");
// Insert another bookmark.
builder.StartBookmark("Bookmark 3");
builder.Writeln("Text inside Bookmark 3.");
builder.EndBookmark("Bookmark 3");
// When saving to .pdf, bookmarks can be accessed via a drop-down menu and used as anchors by most readers.
// Bookmarks can also have numeric values for outline levels,
// enabling lower level outline entries to hide higher-level child entries when collapsed in the reader.
PdfSaveOptions pdfSaveOptions = new PdfSaveOptions();
BookmarksOutlineLevelCollection outlineLevels = pdfSaveOptions.OutlineOptions.BookmarksOutlineLevels;
outlineLevels.Add("Bookmark 1", 1);
outlineLevels.Add("Bookmark 2", 2);
outlineLevels.Add("Bookmark 3", 3);
Assert.That(outlineLevels.Count, Is.EqualTo(3));
Assert.That(outlineLevels.Contains("Bookmark 1"), Is.True);
Assert.That(outlineLevels[0], Is.EqualTo(1));
Assert.That(outlineLevels["Bookmark 2"], Is.EqualTo(2));
Assert.That(outlineLevels.IndexOfKey("Bookmark 3"), Is.EqualTo(2));
// We can remove two elements so that only the outline level designation for "Bookmark 1" is left.
outlineLevels.RemoveAt(2);
outlineLevels.Remove("Bookmark 2");
// There are nine outline levels. Their numbering will be optimized during the save operation.
// In this case, levels "5" and "9" will become "2" and "3".
outlineLevels.Add("Bookmark 2", 5);
outlineLevels.Add("Bookmark 3", 9);
doc.Save(ArtifactsDir + "BookmarksOutlineLevelCollection.BookmarkLevels.pdf", pdfSaveOptions);
// Emptying this collection will preserve the bookmarks and put them all on the same outline level.
outlineLevels.Clear();Methods
Add(string, int)
Adds a bookmark to the collection.
public void Add(string name, int outlineLevel)Parameters
name string
The case-insensitive name of the bookmark to add.
outlineLevel int
The outline level of the bookmark. Valid range is 0 to 9.
Examples
Shows how to set outline levels for bookmarks.
Document doc = new Document();
DocumentBuilder builder = new DocumentBuilder(doc);
// Insert a bookmark with another bookmark nested inside it.
builder.StartBookmark("Bookmark 1");
builder.Writeln("Text inside Bookmark 1.");
builder.StartBookmark("Bookmark 2");
builder.Writeln("Text inside Bookmark 1 and 2.");
builder.EndBookmark("Bookmark 2");
builder.Writeln("Text inside Bookmark 1.");
builder.EndBookmark("Bookmark 1");
// Insert another bookmark.
builder.StartBookmark("Bookmark 3");
builder.Writeln("Text inside Bookmark 3.");
builder.EndBookmark("Bookmark 3");
// When saving to .pdf, bookmarks can be accessed via a drop-down menu and used as anchors by most readers.
// Bookmarks can also have numeric values for outline levels,
// enabling lower level outline entries to hide higher-level child entries when collapsed in the reader.
PdfSaveOptions pdfSaveOptions = new PdfSaveOptions();
BookmarksOutlineLevelCollection outlineLevels = pdfSaveOptions.OutlineOptions.BookmarksOutlineLevels;
outlineLevels.Add("Bookmark 1", 1);
outlineLevels.Add("Bookmark 2", 2);
outlineLevels.Add("Bookmark 3", 3);
Assert.That(outlineLevels.Count, Is.EqualTo(3));
Assert.That(outlineLevels.Contains("Bookmark 1"), Is.True);
Assert.That(outlineLevels[0], Is.EqualTo(1));
Assert.That(outlineLevels["Bookmark 2"], Is.EqualTo(2));
Assert.That(outlineLevels.IndexOfKey("Bookmark 3"), Is.EqualTo(2));
// We can remove two elements so that only the outline level designation for "Bookmark 1" is left.
outlineLevels.RemoveAt(2);
outlineLevels.Remove("Bookmark 2");
// There are nine outline levels. Their numbering will be optimized during the save operation.
// In this case, levels "5" and "9" will become "2" and "3".
outlineLevels.Add("Bookmark 2", 5);
outlineLevels.Add("Bookmark 3", 9);
doc.Save(ArtifactsDir + "BookmarksOutlineLevelCollection.BookmarkLevels.pdf", pdfSaveOptions);
// Emptying this collection will preserve the bookmarks and put them all on the same outline level.
outlineLevels.Clear();Clear()
Removes all elements from the collection.
public void Clear()Examples
Shows how to set outline levels for bookmarks.
Document doc = new Document();
DocumentBuilder builder = new DocumentBuilder(doc);
// Insert a bookmark with another bookmark nested inside it.
builder.StartBookmark("Bookmark 1");
builder.Writeln("Text inside Bookmark 1.");
builder.StartBookmark("Bookmark 2");
builder.Writeln("Text inside Bookmark 1 and 2.");
builder.EndBookmark("Bookmark 2");
builder.Writeln("Text inside Bookmark 1.");
builder.EndBookmark("Bookmark 1");
// Insert another bookmark.
builder.StartBookmark("Bookmark 3");
builder.Writeln("Text inside Bookmark 3.");
builder.EndBookmark("Bookmark 3");
// When saving to .pdf, bookmarks can be accessed via a drop-down menu and used as anchors by most readers.
// Bookmarks can also have numeric values for outline levels,
// enabling lower level outline entries to hide higher-level child entries when collapsed in the reader.
PdfSaveOptions pdfSaveOptions = new PdfSaveOptions();
BookmarksOutlineLevelCollection outlineLevels = pdfSaveOptions.OutlineOptions.BookmarksOutlineLevels;
outlineLevels.Add("Bookmark 1", 1);
outlineLevels.Add("Bookmark 2", 2);
outlineLevels.Add("Bookmark 3", 3);
Assert.That(outlineLevels.Count, Is.EqualTo(3));
Assert.That(outlineLevels.Contains("Bookmark 1"), Is.True);
Assert.That(outlineLevels[0], Is.EqualTo(1));
Assert.That(outlineLevels["Bookmark 2"], Is.EqualTo(2));
Assert.That(outlineLevels.IndexOfKey("Bookmark 3"), Is.EqualTo(2));
// We can remove two elements so that only the outline level designation for "Bookmark 1" is left.
outlineLevels.RemoveAt(2);
outlineLevels.Remove("Bookmark 2");
// There are nine outline levels. Their numbering will be optimized during the save operation.
// In this case, levels "5" and "9" will become "2" and "3".
outlineLevels.Add("Bookmark 2", 5);
outlineLevels.Add("Bookmark 3", 9);
doc.Save(ArtifactsDir + "BookmarksOutlineLevelCollection.BookmarkLevels.pdf", pdfSaveOptions);
// Emptying this collection will preserve the bookmarks and put them all on the same outline level.
outlineLevels.Clear();Contains(string)
Determines whether the collection contains a bookmark with the given name.
public bool Contains(string name)Parameters
name string
Case-insensitive name of the bookmark to locate.
Returns
true if item is found in the collection; otherwise, false.
Examples
Shows how to set outline levels for bookmarks.
Document doc = new Document();
DocumentBuilder builder = new DocumentBuilder(doc);
// Insert a bookmark with another bookmark nested inside it.
builder.StartBookmark("Bookmark 1");
builder.Writeln("Text inside Bookmark 1.");
builder.StartBookmark("Bookmark 2");
builder.Writeln("Text inside Bookmark 1 and 2.");
builder.EndBookmark("Bookmark 2");
builder.Writeln("Text inside Bookmark 1.");
builder.EndBookmark("Bookmark 1");
// Insert another bookmark.
builder.StartBookmark("Bookmark 3");
builder.Writeln("Text inside Bookmark 3.");
builder.EndBookmark("Bookmark 3");
// When saving to .pdf, bookmarks can be accessed via a drop-down menu and used as anchors by most readers.
// Bookmarks can also have numeric values for outline levels,
// enabling lower level outline entries to hide higher-level child entries when collapsed in the reader.
PdfSaveOptions pdfSaveOptions = new PdfSaveOptions();
BookmarksOutlineLevelCollection outlineLevels = pdfSaveOptions.OutlineOptions.BookmarksOutlineLevels;
outlineLevels.Add("Bookmark 1", 1);
outlineLevels.Add("Bookmark 2", 2);
outlineLevels.Add("Bookmark 3", 3);
Assert.That(outlineLevels.Count, Is.EqualTo(3));
Assert.That(outlineLevels.Contains("Bookmark 1"), Is.True);
Assert.That(outlineLevels[0], Is.EqualTo(1));
Assert.That(outlineLevels["Bookmark 2"], Is.EqualTo(2));
Assert.That(outlineLevels.IndexOfKey("Bookmark 3"), Is.EqualTo(2));
// We can remove two elements so that only the outline level designation for "Bookmark 1" is left.
outlineLevels.RemoveAt(2);
outlineLevels.Remove("Bookmark 2");
// There are nine outline levels. Their numbering will be optimized during the save operation.
// In this case, levels "5" and "9" will become "2" and "3".
outlineLevels.Add("Bookmark 2", 5);
outlineLevels.Add("Bookmark 3", 9);
doc.Save(ArtifactsDir + "BookmarksOutlineLevelCollection.BookmarkLevels.pdf", pdfSaveOptions);
// Emptying this collection will preserve the bookmarks and put them all on the same outline level.
outlineLevels.Clear();GetEnumerator()
Returns an enumerator object that can be used to iterate over all items in the collection.
public IEnumerator<KeyValuePair<string, int>> GetEnumerator()Returns
IEnumerator < KeyValuePair < string , int >>
IndexOfKey(string)
Returns the zero-based index of the specified bookmark in the collection.
public int IndexOfKey(string name)Parameters
name string
The case-insensitive name of the bookmark.
Returns
The zero based index. Negative value if not found.
Examples
Shows how to set outline levels for bookmarks.
Document doc = new Document();
DocumentBuilder builder = new DocumentBuilder(doc);
// Insert a bookmark with another bookmark nested inside it.
builder.StartBookmark("Bookmark 1");
builder.Writeln("Text inside Bookmark 1.");
builder.StartBookmark("Bookmark 2");
builder.Writeln("Text inside Bookmark 1 and 2.");
builder.EndBookmark("Bookmark 2");
builder.Writeln("Text inside Bookmark 1.");
builder.EndBookmark("Bookmark 1");
// Insert another bookmark.
builder.StartBookmark("Bookmark 3");
builder.Writeln("Text inside Bookmark 3.");
builder.EndBookmark("Bookmark 3");
// When saving to .pdf, bookmarks can be accessed via a drop-down menu and used as anchors by most readers.
// Bookmarks can also have numeric values for outline levels,
// enabling lower level outline entries to hide higher-level child entries when collapsed in the reader.
PdfSaveOptions pdfSaveOptions = new PdfSaveOptions();
BookmarksOutlineLevelCollection outlineLevels = pdfSaveOptions.OutlineOptions.BookmarksOutlineLevels;
outlineLevels.Add("Bookmark 1", 1);
outlineLevels.Add("Bookmark 2", 2);
outlineLevels.Add("Bookmark 3", 3);
Assert.That(outlineLevels.Count, Is.EqualTo(3));
Assert.That(outlineLevels.Contains("Bookmark 1"), Is.True);
Assert.That(outlineLevels[0], Is.EqualTo(1));
Assert.That(outlineLevels["Bookmark 2"], Is.EqualTo(2));
Assert.That(outlineLevels.IndexOfKey("Bookmark 3"), Is.EqualTo(2));
// We can remove two elements so that only the outline level designation for "Bookmark 1" is left.
outlineLevels.RemoveAt(2);
outlineLevels.Remove("Bookmark 2");
// There are nine outline levels. Their numbering will be optimized during the save operation.
// In this case, levels "5" and "9" will become "2" and "3".
outlineLevels.Add("Bookmark 2", 5);
outlineLevels.Add("Bookmark 3", 9);
doc.Save(ArtifactsDir + "BookmarksOutlineLevelCollection.BookmarkLevels.pdf", pdfSaveOptions);
// Emptying this collection will preserve the bookmarks and put them all on the same outline level.
outlineLevels.Clear();Remove(string)
Removes a bookmark with the specified name from the collection.
public void Remove(string name)Parameters
name string
The case-insensitive name of the bookmark.
Examples
Shows how to set outline levels for bookmarks.
Document doc = new Document();
DocumentBuilder builder = new DocumentBuilder(doc);
// Insert a bookmark with another bookmark nested inside it.
builder.StartBookmark("Bookmark 1");
builder.Writeln("Text inside Bookmark 1.");
builder.StartBookmark("Bookmark 2");
builder.Writeln("Text inside Bookmark 1 and 2.");
builder.EndBookmark("Bookmark 2");
builder.Writeln("Text inside Bookmark 1.");
builder.EndBookmark("Bookmark 1");
// Insert another bookmark.
builder.StartBookmark("Bookmark 3");
builder.Writeln("Text inside Bookmark 3.");
builder.EndBookmark("Bookmark 3");
// When saving to .pdf, bookmarks can be accessed via a drop-down menu and used as anchors by most readers.
// Bookmarks can also have numeric values for outline levels,
// enabling lower level outline entries to hide higher-level child entries when collapsed in the reader.
PdfSaveOptions pdfSaveOptions = new PdfSaveOptions();
BookmarksOutlineLevelCollection outlineLevels = pdfSaveOptions.OutlineOptions.BookmarksOutlineLevels;
outlineLevels.Add("Bookmark 1", 1);
outlineLevels.Add("Bookmark 2", 2);
outlineLevels.Add("Bookmark 3", 3);
Assert.That(outlineLevels.Count, Is.EqualTo(3));
Assert.That(outlineLevels.Contains("Bookmark 1"), Is.True);
Assert.That(outlineLevels[0], Is.EqualTo(1));
Assert.That(outlineLevels["Bookmark 2"], Is.EqualTo(2));
Assert.That(outlineLevels.IndexOfKey("Bookmark 3"), Is.EqualTo(2));
// We can remove two elements so that only the outline level designation for "Bookmark 1" is left.
outlineLevels.RemoveAt(2);
outlineLevels.Remove("Bookmark 2");
// There are nine outline levels. Their numbering will be optimized during the save operation.
// In this case, levels "5" and "9" will become "2" and "3".
outlineLevels.Add("Bookmark 2", 5);
outlineLevels.Add("Bookmark 3", 9);
doc.Save(ArtifactsDir + "BookmarksOutlineLevelCollection.BookmarkLevels.pdf", pdfSaveOptions);
// Emptying this collection will preserve the bookmarks and put them all on the same outline level.
outlineLevels.Clear();RemoveAt(int)
Removes a bookmark at the specified index.
public void RemoveAt(int index)Parameters
index int
The zero based index.
Examples
Shows how to set outline levels for bookmarks.
Document doc = new Document();
DocumentBuilder builder = new DocumentBuilder(doc);
// Insert a bookmark with another bookmark nested inside it.
builder.StartBookmark("Bookmark 1");
builder.Writeln("Text inside Bookmark 1.");
builder.StartBookmark("Bookmark 2");
builder.Writeln("Text inside Bookmark 1 and 2.");
builder.EndBookmark("Bookmark 2");
builder.Writeln("Text inside Bookmark 1.");
builder.EndBookmark("Bookmark 1");
// Insert another bookmark.
builder.StartBookmark("Bookmark 3");
builder.Writeln("Text inside Bookmark 3.");
builder.EndBookmark("Bookmark 3");
// When saving to .pdf, bookmarks can be accessed via a drop-down menu and used as anchors by most readers.
// Bookmarks can also have numeric values for outline levels,
// enabling lower level outline entries to hide higher-level child entries when collapsed in the reader.
PdfSaveOptions pdfSaveOptions = new PdfSaveOptions();
BookmarksOutlineLevelCollection outlineLevels = pdfSaveOptions.OutlineOptions.BookmarksOutlineLevels;
outlineLevels.Add("Bookmark 1", 1);
outlineLevels.Add("Bookmark 2", 2);
outlineLevels.Add("Bookmark 3", 3);
Assert.That(outlineLevels.Count, Is.EqualTo(3));
Assert.That(outlineLevels.Contains("Bookmark 1"), Is.True);
Assert.That(outlineLevels[0], Is.EqualTo(1));
Assert.That(outlineLevels["Bookmark 2"], Is.EqualTo(2));
Assert.That(outlineLevels.IndexOfKey("Bookmark 3"), Is.EqualTo(2));
// We can remove two elements so that only the outline level designation for "Bookmark 1" is left.
outlineLevels.RemoveAt(2);
outlineLevels.Remove("Bookmark 2");
// There are nine outline levels. Their numbering will be optimized during the save operation.
// In this case, levels "5" and "9" will become "2" and "3".
outlineLevels.Add("Bookmark 2", 5);
outlineLevels.Add("Bookmark 3", 9);
doc.Save(ArtifactsDir + "BookmarksOutlineLevelCollection.BookmarkLevels.pdf", pdfSaveOptions);
// Emptying this collection will preserve the bookmarks and put them all on the same outline level.
outlineLevels.Clear();