FlowDocument.ContentStart Propiedad
Definición
Importante
Parte de la información hace referencia a la versión preliminar del producto, que puede haberse modificado sustancialmente antes de lanzar la versión definitiva. Microsoft no otorga ninguna garantía, explícita o implícita, con respecto a la información proporcionada aquí.
Obtiene un TextPointer objeto que representa el inicio del contenido dentro de un FlowDocumentobjeto .
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.TextPointerPublic ReadOnly Property ContentStart As TextPointerValor de propiedad
que TextPointerContext representa el inicio del contenido en .FlowDocument
Ejemplos
En el ejemplo siguiente se usa la ContentStart propiedad para insertar contenido al principio de un 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.")))
Comentarios
La ContentStart propiedad se usa a menudo para insertar contenido al principio de un FlowDocument.
El TextPointer devuelto por esta propiedad siempre tiene establecido en LogicalDirectionLogicalDirection.Backward.
