FlowDocument.ContentStart Property
Important
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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
A TextPointerContext representing the start of the contents in the 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.")))
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.
제품 | 버전 |
---|---|
.NET Framework | 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
Windows Desktop | 3.0, 3.1, 5, 6, 7, 8, 9 |
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