SetOpacity
Sets annotation opacity.
Syntax
expression.SetOpacity(name);
expression - A variable that represents a ApiBaseAnnotation class.
Parameters
| Name | Required/Optional | Data type | Default | Description |
|---|---|---|---|---|
| name | Required | percentage | No description provided. |
Returns
boolean
Example
Create a square annotation and set opacity to it in a PDF document.
// How do I set opacity in a PDF document?
// Set opacity using an annotation object in a PDF document.
let doc = Api.GetDocument();
let squareAnnot = Api.CreateSquareAnnot([10, 10, 160, 32]);
let page = doc.GetPage(0);
page.AddObject(squareAnnot);
squareAnnot.SetFillColor(Api.RGB(255, 0, 0));
squareAnnot.SetOpacity(50);