Transparency Property

Summary

Transparency for this annotation.

Syntax

C++/CLI

Java

Python

public double Transparency { get; set; }

public double getTransparency(); 
public void setTransparency( 
   double doubleValue 
);

public: 
property double Transparency { 
   double get(); 
   void set (    double ); 
}

Transparency # get and set (PDFAnnotation)

Property Value

A System.Double that specifies the transparency of this annotation. The default value is 1.

Remarks

A value of 0 means that the annotation is fully transparent, 1 means that the annotation is fully opaque

Example

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Pdf; 
using Leadtools.WinForms; 
using Leadtools.Drawing; 
 
 
public void PDFHighlightAnnotationExample() 
{ 
   string pdfSrcFileName = Path.Combine(LEAD_VARS.ImagesDir, @"Leadtools.pdf"); 
   string pdfDestFileName = Path.Combine(LEAD_VARS.ImagesDir, @"LEAD_Annotations.pdf"); 
 
   PDFFile pdfFile = new PDFFile(pdfSrcFileName); 
   List<PDFAnnotation> Annotations = new List<PDFAnnotation>(); 
   PDFHighlightAnnotation highlight = new PDFHighlightAnnotation(); 
 
   // Add highlight points 
   highlight.Points.Add(new PDFPoint(100, 100)); 
   highlight.Points.Add(new PDFPoint(100, 200)); 
   highlight.Points.Add(new PDFPoint(200, 200)); 
   highlight.Points.Add(new PDFPoint(200, 100)); 
 
   highlight.Color = RasterColor.FromKnownColor(RasterKnownColor.YellowGreen); 
   Annotations.Add(highlight); 
 
   pdfFile.WriteAnnotations(Annotations, pdfDestFileName); 
} 
 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images"; 
}