FlowDocument.ContentStart Proprietà

Definizione

Ottiene un oggetto TextPointer che rappresenta l'inizio del contenuto all'interno di un oggetto FlowDocument.Gets a TextPointer that represents the start of content within a FlowDocument.

public:
 property System::Windows::Documents::TextPointer ^ ContentStart { System::Windows::Documents::TextPointer ^ get(); };
public System.Windows.Documents.TextPointer ContentStart { get; }
member this.ContentStart : System.Windows.Documents.TextPointer
Public ReadOnly Property ContentStart As TextPointer

Valore della proprietà

Oggetto TextPointerContext che rappresenta l'inizio del contenuto in FlowDocument.A TextPointerContext representing the start of the contents in the FlowDocument.

Esempi

Nell'esempio seguente viene utilizzata la proprietà ContentStart per inserire il contenuto all'inizio di un FlowDocument.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."
)));
    ' Create a new, empty FlowDocument.
Dim flowDocStart As New FlowDocument()

    ' Insert an initial paragraph at the beginning of the empty FlowDocument.
flowDocStart.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.
flowDocStart.Blocks.InsertBefore(flowDocStart.Blocks.FirstBlock, New Paragraph(New LineBreak()))
    ' Insert another paragraph at the beginning of the document.
flowDocStart.Blocks.InsertBefore(flowDocStart.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.")))

Commenti

La proprietà ContentStart viene spesso utilizzata per inserire contenuto all'inizio di un FlowDocument.The ContentStart property is often used to insert content to the beginning of a FlowDocument.

Per la TextPointer restituita da questa proprietà la LogicalDirection è sempre impostata su LogicalDirection.Backward.The TextPointer returned by this property always has its LogicalDirection set to LogicalDirection.Backward.

Si applica a

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