Enable resize in ASP.NET Core PDF Viewer control

To enable the resizer for the text markup annotation in Syncfusion PDF viewer, you can use the enableTextMarkupResizer property. Default value of the property is false.

Here is an example of how you can enable the resizer for the text markup annotation:

Standalone

<div style="width:100%;height:600px">
    <ejs-pdfviewer id="pdfviewer"
                   style="height:600px"
                   documentPath="https://cdn.syncfusion.com/content/pdf/form-filling-document.pdf"
                   resourceUrl="https://cdn.syncfusion.com/ej2/31.1.17/dist/ej2-pdfviewer-lib"
                   enableTextMarkupResizer=false>
    </ejs-pdfviewer>
</div>

Server-Backed

<div style="width:100%;height:600px">
    <ejs-pdfviewer id="pdfviewer"
                   style="height:600px"
                   documentPath="https://cdn.syncfusion.com/content/pdf/form-filling-document.pdf"
                   serviceUrl="/api/PdfViewer"
                   enableTextMarkupResizer=false>
    </ejs-pdfviewer>
</div>