FlowDocument.ContentStart Tulajdonság

Definíció

Névtér:

System.Windows.Documents

Szerelvény:

PresentationFramework.dll

A lekérdezi TextPointer a tartalom kezdetét egy 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

Tulajdonság értéke

TextPointer

A TextPointerContext tartalmának FlowDocumentkezdetét jelképező.

Példák

Az alábbi példa a tulajdonságot használja a ContentStart tartalom beszúrására a FlowDocumentfájl elején.

// 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.")))

Megjegyzések

A ContentStart tulajdonságot gyakran használják tartalom beszúrására egy FlowDocumentadott elem elejére.

A TextPointer tulajdonság által visszaadott érték mindig a következőre LogicalDirectionvan LogicalDirection.Backward állítva: .

Lásd még

• ContentEnd