FlowDocument.ContentStart Свойство

Определение

Пространство имен:

System.Windows.Documents

Сборка:

PresentationFramework.dll

Получение TextPointer, представляющего начало содержимого в 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

Значение свойства

TextPointer

TextPointerContext, представляющего начало содержимого в FlowDocument.

Примеры

В следующем примере свойство используется ContentStart для вставки содержимого FlowDocumentв начало .

// 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.")))

Комментарии

Свойство ContentStart часто используется для вставки содержимого в начало FlowDocument.

Объект , TextPointer возвращаемый этим свойством, всегда имеет LogicalDirection значение LogicalDirection.Backward.

См. также раздел

• ContentEnd