Span Construtores

public:
 Span();

public Span();

Public Sub New ()

public:
 Span(System::Windows::Documents::Inline ^ childInline);

public Span(System.Windows.Documents.Inline childInline);

new System.Windows.Documents.Span : System.Windows.Documents.Inline -> System.Windows.Documents.Span

Public Sub New (childInline As Inline)

Parâmetros

Exemplos

O exemplo seguinte mostra como usar este construtor para criar um novo Span que contenha um Run.

// A child Inline element for the new Span element.
Run runx = new Run("The Run element derives from Inline, and is therefore" +
    "an acceptable child element for this new Span.");

// After this line executes, the new element "spanx"
// contains the specified Inline element, "runx".
Span spanx = new Span(runx);

' A child Inline element for the new Span element.
Dim runx1 As New Run("The Run element derives from Inline, and is therefore" & "an acceptable child element for this new Span.")

' After this line executes, the new element "spanx"
' contains the specified Inline element, "runx".
Dim spanx1 As New Span(runx1)

public:
 Span(System::Windows::Documents::Inline ^ childInline, System::Windows::Documents::TextPointer ^ insertionPosition);

public Span(System.Windows.Documents.Inline childInline, System.Windows.Documents.TextPointer insertionPosition);

new System.Windows.Documents.Span : System.Windows.Documents.Inline * System.Windows.Documents.TextPointer -> System.Windows.Documents.Span

Public Sub New (childInline As Inline, insertionPosition As TextPointer)

Parâmetros

Exemplos

O exemplo seguinte mostra como usar este construtor para criar um novo Span que contenha um Run inserido no início de um Paragraph.

// A child Inline element for the new Span element.
Run runx = new Run("The Run element derives from Inline, and is therefore" +
    "an acceptable child element for this new Span.");

// An empty paragraph will serve as the container for the new Span element.
Paragraph parx = new Paragraph();

// After this line executes, the new element "spanx"
// contains the specified Inline element, "runx".  Also, "spanx" is
// inserted at the point indicated by the insertionPosition parameter, 
// which in this case indicates the content start position in the Paragraph 
// element "parx".
Span spanx = new Span(runx, parx.ContentStart);

' A child Inline element for the new Span element.
Dim runx2 As New Run("The Run element derives from Inline, and is therefore" & "an acceptable child element for this new Span.")

' An empty paragraph will serve as the container for the new Span element.
Dim parx2 As New Paragraph()

' After this line executes, the new element "spanx"
' contains the specified Inline element, "runx".  Also, "spanx" is
' inserted at the point indicated by the insertionPosition parameter, 
' which in this case indicates the content start position in the Paragraph 
' element "parx".
Dim spanx2 As New Span(runx2, parx2.ContentStart)

public:
 Span(System::Windows::Documents::TextPointer ^ start, System::Windows::Documents::TextPointer ^ end);

public Span(System.Windows.Documents.TextPointer start, System.Windows.Documents.TextPointer end);

new System.Windows.Documents.Span : System.Windows.Documents.TextPointer * System.Windows.Documents.TextPointer -> System.Windows.Documents.Span

Public Sub New (start As TextPointer, end As TextPointer)

Parâmetros

Exceções

Exemplos

O exemplo seguinte mostra como usar este construtor para criar um novo Span que é aplicado a uma variedade de conteúdos. O intervalo de conteúdo é determinado pelos objetos de início e fim TextPointer especificados pelo construtor.

// Create a paragraph and three text runs to serve as example content.  
Paragraph parx = new Paragraph();
Run run1 = new Run("Text run 1.");
Run run2 = new Run("Text run 2.");
Run run3 = new Run("Text run 3.");

// Add the three text runs to the paragraph, separated by linebreaks.
parx.Inlines.Add(run1);
parx.Inlines.Add(new LineBreak());
parx.Inlines.Add(run2);
parx.Inlines.Add(new LineBreak());
parx.Inlines.Add(run3);

// After this line executes, the selection of content
// indicated by the "start" and "end" parameters will be
// enclosed by the new Span.  In this case, the new Span
// will enclose the entire contents of the Paragraph "parx",
// which happens to contain three text runs and two linebreaks.               
Span spanx = new Span(parx.ContentStart, parx.ContentEnd);

// Now, properties set on "spanx" will override default properties
// on elements contained by "spanx".  For example, setting 
// these arbitrary display properties on "spanx" will affect
// the child text runs enclosed by "spanx".
spanx.Foreground = Brushes.Blue;
spanx.Background = Brushes.GhostWhite;
spanx.FontFamily = new FontFamily("Century Gothic");

// Non-default property values override any settings on the 
// enclosing Span element.
run2.Foreground = Brushes.Red;
run2.Background = Brushes.AntiqueWhite;
run2.FontFamily = new FontFamily("Lucida Handwriting");

' Create a paragraph and three text runs to serve as example content.  
Dim parx3 As New Paragraph()
Dim run1 As New Run("Text run 1.")
Dim run2 As New Run("Text run 2.")
Dim run3 As New Run("Text run 3.")

' Add the three text runs to the paragraph, separated by linebreaks.
parx3.Inlines.Add(run1)
parx3.Inlines.Add(New LineBreak())
parx3.Inlines.Add(run2)
parx3.Inlines.Add(New LineBreak())
parx3.Inlines.Add(run3)

' After this line executes, the selection of content
' indicated by the "start" and "end" parameters will be
' enclosed by the new Span.  In this case, the new Span
' will enclose the entire contents of the Paragraph "parx",
' which happens to contain three text runs and two linebreaks.               
Dim spanx As New Span(parx3.ContentStart, parx3.ContentEnd)

' Now, properties set on "spanx" will override default properties
' on elements contained by "spanx".  For example, setting 
' these arbitrary display properties on "spanx" will affect
' the child text runs enclosed by "spanx".
spanx.Foreground = Brushes.Blue
spanx.Background = Brushes.GhostWhite
spanx.FontFamily = New FontFamily("Century Gothic")

' Non-default property values override any settings on the 
' enclosing Span element.
run2.Foreground = Brushes.Red
run2.Background = Brushes.AntiqueWhite
run2.FontFamily = New FontFamily("Lucida Handwriting")

A figura seguinte mostra como este exemplo se apresenta em um FlowDocument.

Observações

Este construtor destina-se a inicializar um novo Span elemento de modo a que contenha uma seleção de conteúdo pré-existente.