FlowDocument.ContentStart Właściwość

Definicja

Przestrzeń nazw:

System.Windows.Documents

Zestaw:

PresentationFramework.dll

Pobiera element reprezentujący początek TextPointer zawartości w obiekcie 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

Wartość właściwości

TextPointer

Reprezentująca TextPointerContext początek zawartości w obiekcie FlowDocument.

Przykłady

W poniższym przykładzie użyto ContentStart właściwości , aby wstawić zawartość na początku elementu 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.")))

Uwagi

Właściwość ContentStart jest często używana do wstawiania zawartości na początku elementu FlowDocument.

Zwracana TextPointer przez tę właściwość zawsze ma ustawioną LogicalDirection wartość LogicalDirection.Backward.

Zobacz też

• ContentEnd