作者:VB.NET开发
项目:System.Windows.Media.TextFormattin
Dim minMaxParaWidth As MinMaxParagraphWidth = formatter.FormatMinMaxParagraphWidth(customTextSource, 0, customTextParagraphProperties)
' Format each line of text from the text store and draw it.
Do While textStorePosition < customTextSource.Text.Length
' Create a textline from the text store using the TextFormatter object.
Using myTextLine As TextLine = formatter.FormatLine(customTextSource, textStorePosition, minMaxParaWidth.MinWidth, customTextParagraphProperties, Nothing)
' Draw the formatted text into the drawing context.
myTextLine.Draw(drawingContext, linePosition, InvertAxes.None)
' Update the index position in the text store.
textStorePosition += myTextLine.Length
' Update the line position coordinate for the displayed line.
linePosition.Y += myTextLine.Height
End Using
Loop