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FlowDocument.ContentStart Property

 
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Gets a TextPointer that represents the start of content within a FlowDocument.

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

public TextPointer ContentStart { get; }

Property Value

Type: System.Windows.Documents.TextPointer

A TextPointerContext representing the start of the contents in the FlowDocument.

The ContentStart property is often used to insert content to the beginning of a FlowDocument.

The TextPointer returned by this property always has its LogicalDirection set to LogicalDirection.Backward.

The following example uses the ContentStart property to insert content at the beginning of a FlowDocument.

// Create a new, empty FlowDocument.
FlowDocument flowDoc = new FlowDocument();

// Insert an initial paragraph at the beginning of the empty FlowDocument.
flowDoc.Blocks.Add(new Paragraph(new Run(
    "Since the new FlowDocument is empty at this point, this will be the initial content " +
    "in the FlowDocument."
)));
// Insert a line-break at the beginnign of the document, before the previously inserted paragraph.
flowDoc.Blocks.InsertBefore(flowDoc.Blocks.FirstBlock, new Paragraph(new LineBreak()));
// Insert another paragraph at the beginning of the document.
flowDoc.Blocks.InsertBefore(flowDoc.Blocks.FirstBlock, new Paragraph(new Run(
    "This paragraph will be inserted before the previously added paragraph, replacing the previously" +
    "added paragraph as the first paragraph in the document."
)));

.NET Framework
Available since 3.0
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