public static void Run()
{
// ExStart:UseMeasureWithLineAnnotation
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_Miscellaneous();
Document doc = new Document( dataDir + "input.pdf");
Rectangle rect = new Rectangle(260, 630, 451, 662);
LineAnnotation line = new LineAnnotation(doc.Pages[1], rect, new Point(266, 657), new Point(446, 656));
line.Color = Color.Red;
// Set extension line parameters.
line.LeaderLine = -15;
line.LeaderLineExtension = 5;
// Set line endings
line.StartingStyle = LineEnding.OpenArrow;
line.EndingStyle = LineEnding.OpenArrow;
// Create Measure element
line.Measure = new Measure(line);
line.Measure.DistanceFormat = new Measure.NumberFormatList(line.Measure);
line.Measure.DistanceFormat.Add(new Measure.NumberFormat(line.Measure));
line.Measure.DistanceFormat[1].UnitLabel = "mm";
line.Measure.DistanceFormat[1].FractionSeparator = ".";
line.Measure.DistanceFormat[1].ConvresionFactor = 1;
// Text of measure line
line.Contents = "155 mm";
// This must be set to show the text.
line.ShowCaption = true;
line.CaptionPosition = CaptionPosition.Top;
doc.Pages[1].Annotations.Add(line);
doc.Save(dataDir + "UseMeasureWithLineAnnotation_out.pdf");
// ExEnd:UseMeasureWithLineAnnotation
}
}