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Hyperlink Constructor (TextPointer, TextPointer)

 

Initializes a new instance of the Hyperlink class, taking two TextPointer objects that indicate the beginning and end of a selection of content to be contained by the new Hyperlink.

Namespace:   System.Windows.Documents
Assembly:  PresentationFramework (in PresentationFramework.dll)

public Hyperlink(
	TextPointer start,
	TextPointer end
)

Parameters

start
Type: System.Windows.Documents.TextPointer

A TextPointer indicating the beginning of a selection of content to be contained by the new Hyperlink.

end
Type: System.Windows.Documents.TextPointer

A TextPointer indicating the end of a selection of content to be contained by the new Hyperlink.

Exception Condition
ArgumentNullException

start or end is null.

ArgumentException

start and end do not resolve to a range of content suitable for enclosure by a Span element; for example, if start and end indicate positions in different paragraphs.

This constructor is intended to initialize a new Hyperlink element such that it encloses a selection of preexisting content.

The following example demonstrates usage of this constructor.

// Create a paragraph and three text runs to serve as example content.  
Paragraph parx = new Paragraph();
Run run1 = new Run("Text run 1.");
Run run2 = new Run("Text to link.");
Run run3 = new Run("Text run 3.");

// Add the three text runs to the paragraph, separated by linebreaks.
parx.Inlines.Add(run1);
parx.Inlines.Add(new LineBreak());
parx.Inlines.Add(run2);
parx.Inlines.Add(new LineBreak());
parx.Inlines.Add(run3);

// After this line executes, the selection of content
// indicated by the "start" and "end" parameters will be
// enclosed by the new Hyperlink.  In this case, the new Hyperlink
// will enclose the entire contents of the the text run "run2".  
Hyperlink hyperl = new Hyperlink(run2.ContentStart, run2.ContentEnd);

.NET Framework
Available since 3.0
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