TextRange.ApplyPropertyValue(DependencyProperty, Object) 메서드

정의

네임스페이스:

System.Windows.Documents

어셈블리:

PresentationFramework.dll

지정된 서식 속성 및 값을 현재 선택 영역에 적용합니다.

public:
 void ApplyPropertyValue(System::Windows::DependencyProperty ^ formattingProperty, System::Object ^ value);

public void ApplyPropertyValue (System.Windows.DependencyProperty formattingProperty, object value);

member this.ApplyPropertyValue : System.Windows.DependencyProperty * obj -> unit

Public Sub ApplyPropertyValue (formattingProperty As DependencyProperty, value As Object)

매개 변수

formattingProperty

DependencyProperty

적용할 서식 속성입니다.

value

Object

서식 속성 값입니다.

예외

ArgumentException

formattingProperty에 지정된 형식 지정 속성이나 value에 지정된 formattingProperty 값이 잘못된 경우

ArgumentNullException

formattingProperty가 null인 경우

예제

다음 예제에서는 ApplyPropertyValue 메서드를 사용하는 방법을 보여 줍니다.

// This method accepts an input stream and a corresponding data format.  The method
// will attempt to load the input stream into a TextRange selection, apply Bold formatting
// to the selection, save the reformatted selection to an alternat stream, and return 
// the reformatted stream.  
Stream BoldFormatStream(Stream inputStream, string dataFormat)
{
    // A text container to read the stream into.
    FlowDocument workDoc = new FlowDocument();
    TextRange selection = new TextRange(workDoc.ContentStart, workDoc.ContentEnd);
    Stream outputStream = new MemoryStream();

    try
    {
        // Check for a valid data format, and then attempt to load the input stream
        // into the current selection.  Note that CanLoad ONLY checks whether dataFormat
        // is a currently supported data format for loading a TextRange.  It does not 
        // verify that the stream actually contains the specified format.  An exception 
        // may be raised when there is a mismatch between the specified data format and 
        // the data in the stream. 
        if (selection.CanLoad(dataFormat))
            selection.Load(inputStream, dataFormat);
    }
    catch (Exception e) { return outputStream; /* Load failure; return a null stream. */ }

    // Apply Bold formatting to the selection, if it is not empty.
    if (!selection.IsEmpty)
        selection.ApplyPropertyValue(TextElement.FontWeightProperty, FontWeights.Bold);

    // Save the formatted selection to a stream, and return the stream.
    if (selection.CanSave(dataFormat))
        selection.Save(outputStream, dataFormat);

    return outputStream;
}

' This method accepts an input stream and a corresponding data format.  The method
' will attempt to load the input stream into a TextRange selection, apply Bold formatting
' to the selection, save the reformatted selection to an alternat stream, and return 
' the reformatted stream.  
Private Function BoldFormatStream(ByVal inputStream As Stream, ByVal dataFormat As String) As Stream
    ' A text container to read the stream into.
    Dim workDoc As New FlowDocument()
    Dim selection As New TextRange(workDoc.ContentStart, workDoc.ContentEnd)
    Dim outputStream As Stream = New MemoryStream()

    Try
        ' Check for a valid data format, and then attempt to load the input stream
        ' into the current selection.  Note that CanLoad ONLY checks whether dataFormat
        ' is a currently supported data format for loading a TextRange.  It does not 
        ' verify that the stream actually contains the specified format.  An exception 
        ' may be raised when there is a mismatch between the specified data format and 
        ' the data in the stream. 
        If selection.CanLoad(dataFormat) Then
            selection.Load(inputStream, dataFormat)
        End If
    Catch e As Exception ' Load failure return a null stream. 
        Return outputStream
    End Try

    ' Apply Bold formatting to the selection, if it is not empty.
    If Not selection.IsEmpty Then
        selection.ApplyPropertyValue(TextElement.FontWeightProperty, FontWeights.Bold)
    End If

    ' Save the formatted selection to a stream, and return the stream.
    If selection.CanSave(dataFormat) Then
        selection.Save(outputStream, dataFormat)
    End If

    Return outputStream
End Function

설명

이 메서드는 적절 한 삽입 하 여 서식을 적용 Inline 요소와 같은 Bold 하 고 Italic,이 표시 된 선택 영역에 TextRange합니다.

추가 정보

• ClearAllProperties()
• GetPropertyValue(DependencyProperty)