TextFormatter.FormatLine Method
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Creates a TextLine that is used for formatting and displaying document content.
| FormatLine(TextSource, Int32, Double, TextParagraphProperties, TextLineBreak) |
Creates a TextLine that is used for formatting and displaying document content. |
| FormatLine(TextSource, Int32, Double, TextParagraphProperties, TextLineBreak, TextRunCache) |
Creates a TextLine that is used for formatting and displaying document content. |
Creates a TextLine that is used for formatting and displaying document content.
public:
abstract System::Windows::Media::TextFormatting::TextLine ^ FormatLine(System::Windows::Media::TextFormatting::TextSource ^ textSource, int firstCharIndex, double paragraphWidth, System::Windows::Media::TextFormatting::TextParagraphProperties ^ paragraphProperties, System::Windows::Media::TextFormatting::TextLineBreak ^ previousLineBreak);public abstract System.Windows.Media.TextFormatting.TextLine FormatLine(System.Windows.Media.TextFormatting.TextSource textSource, int firstCharIndex, double paragraphWidth, System.Windows.Media.TextFormatting.TextParagraphProperties paragraphProperties, System.Windows.Media.TextFormatting.TextLineBreak previousLineBreak);abstract member FormatLine : System.Windows.Media.TextFormatting.TextSource * int * double * System.Windows.Media.TextFormatting.TextParagraphProperties * System.Windows.Media.TextFormatting.TextLineBreak -> System.Windows.Media.TextFormatting.TextLinePublic MustOverride Function FormatLine (textSource As TextSource, firstCharIndex As Integer, paragraphWidth As Double, paragraphProperties As TextParagraphProperties, previousLineBreak As TextLineBreak) As TextLineParameters
- textSource
- TextSource
A TextSource value that represents the text source for the line.
- firstCharIndex
- Int32
An Int32 value that specifies the character index of the starting character in the line.
- paragraphProperties
- TextParagraphProperties
A TextParagraphProperties value that represents paragraph properties, such as flow direction, alignment, or indentation.
- previousLineBreak
- TextLineBreak
A TextLineBreak value that specifies the text formatter state, in terms of where the previous line in the paragraph was broken by the text formatting process.
Returns
A TextLine value that represents a line of text that can be displayed.
Examples
The following example shows how to use the FormatLine method to return a formatted TextLine.
// Create a textline from the text store using the TextFormatter object.
TextLine myTextLine = formatter.FormatLine(
customTextSource,
0,
400,
customTextParagraphProperties,
null);
// Draw the formatted text into the drawing context.
myTextLine.Draw(drawingContext, new Point(0, 0), InvertAxes.None);
' Create a textline from the text store using the TextFormatter object.
Dim myTextLine As TextLine = formatter.FormatLine(customTextSource, 0, 400, customTextParagraphProperties, Nothing)
' Draw the formatted text into the drawing context.
myTextLine.Draw(drawingContext, New Point(0, 0), InvertAxes.None)
Applies to
.NET Framework 4.8.1 and other versions
| Product | Versions |
|---|---|
| .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, 10 |
Creates a TextLine that is used for formatting and displaying document content.
public:
abstract System::Windows::Media::TextFormatting::TextLine ^ FormatLine(System::Windows::Media::TextFormatting::TextSource ^ textSource, int firstCharIndex, double paragraphWidth, System::Windows::Media::TextFormatting::TextParagraphProperties ^ paragraphProperties, System::Windows::Media::TextFormatting::TextLineBreak ^ previousLineBreak, System::Windows::Media::TextFormatting::TextRunCache ^ textRunCache);public abstract System.Windows.Media.TextFormatting.TextLine FormatLine(System.Windows.Media.TextFormatting.TextSource textSource, int firstCharIndex, double paragraphWidth, System.Windows.Media.TextFormatting.TextParagraphProperties paragraphProperties, System.Windows.Media.TextFormatting.TextLineBreak previousLineBreak, System.Windows.Media.TextFormatting.TextRunCache textRunCache);abstract member FormatLine : System.Windows.Media.TextFormatting.TextSource * int * double * System.Windows.Media.TextFormatting.TextParagraphProperties * System.Windows.Media.TextFormatting.TextLineBreak * System.Windows.Media.TextFormatting.TextRunCache -> System.Windows.Media.TextFormatting.TextLinePublic MustOverride Function FormatLine (textSource As TextSource, firstCharIndex As Integer, paragraphWidth As Double, paragraphProperties As TextParagraphProperties, previousLineBreak As TextLineBreak, textRunCache As TextRunCache) As TextLineParameters
- textSource
- TextSource
A TextSource object that represents the text source for the line.
- firstCharIndex
- Int32
An Int32 value that specifies the character index of the starting character in the line.
- paragraphProperties
- TextParagraphProperties
A TextParagraphProperties object that represents paragraph properties, such as flow direction, alignment, or indentation.
- previousLineBreak
- TextLineBreak
A TextLineBreak object that specifies the text formatter state, in terms of where the previous line in the paragraph was broken by the text formatting process.
- textRunCache
- TextRunCache
A TextRunCache object that represents the caching mechanism for the layout of text.
Returns
A TextLine value that represents a line of text that can be displayed.
Remarks
This method is used to improve performance in applications where the TextLine has significant performance implications.
Applies to
.NET Framework 4.8.1 and other versions
| Product | Versions |
|---|---|
| .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, 10 |
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