Scale the document window and view

Obtain and set the scale of a document window

• Syntax

  Expression. ActivePDF.Zoom

  Expression: the document type application object.

• Return value

  Returns a number that represents the scale of the document window.

• Example

  async function example() {
    await instance.ready();
    
    const app = instance.Application;
  
    // Obtain the scale of the document window.
    const result = await app.ActivePDF.Zoom;
    console.log(result);
  
    // Set the scale of the document window.
    app.ActivePDF.Zoom = 66;
  }

Set autofit for the view

Set whether to enable autofit for the view to fit the document window after the document window is resized.

• Syntax

  Expression.ActivePDF.ZoomToFit = Number

  Expression: the document type application object.

  Valid values of Number:

  • -1: enables autofit for the view.

  • 0: does not enable autofit for the view.

• Example

  async function example() {
    await instance.ready();
  
    const app = instance.Application;
    
    // Do not enable autofit for the view.
    app.ActivePDF.ZoomToFit = 0;
  }