You can also modify the opacity of the selected strikethrough annotation by giving numeric value in the opacity text box. The slider displayed in the Appearance tab will allow us to modify the opacity of the selected strikethrough annotation. The following image illustrates the change in color of the included Strikethrough annotation. The following image illustrates how to change the color of the strikethrough annotation included. Selecting the Color would displays the color palette control, choosing a color from the color palette and clicking OK will apply the color to the strikethrough annotation. The color of the selected strikethrough annotation will be displayed in the color row in the appearance tab. The color and opacity of the strikethrough annotation can be edited using Appearance tab of StrikeOut Properties window. Selecting properties from the context menu will display the Strikethrough Properties window, which would consist of two tabs The added notes will be saved along with the PDF document and if there is any existing notes, it will be displayed in here. The following image illustrates the notes added to the selected strikethrough annotation. We can add notes to the strikethrough annotation choosing Open Pop-up note option from the context menu. To use these options, select the included/existing strikethrough annotation and click right using mouse, over the selected annotation, a pop up context menu will appear with the following options, Strikethrough annotation supports adding notes along with it, also it allows editing its color and opacity. Subject = "your subject" End Sub Working with included/existing strikethrough annotations Private Sub ChangeDefaultStrikethroughDetails () pdfviewer. If you are using PdfDocumentView control, or your own toolbar, or if you want enable the mode programmatically, change the AnnotationMode property of PDF Viewer to Strikethrough, as shown in the below code example. Please refer to the link for more details. Based on the text information, we create text markup annotations in the PDF documents. To enable the mode from UI, click the below icon in the default toolbar of PdfViewerControl.įrom version 19.4.0.48, we have updated our default text extraction engine to PDFium for extracting text information from PDF documents. To select the text, hold down the left mouse button and drag the mouse pointer over the text. Once the strikethrough inclusion mode is activated, you can strikethrough the required text by selecting it. The strikethrough inclusion mode can be enabled via the toolbar UI or the API. The WPF PDF Viewer allows the user to strikethrough text in PDF files and provides options to edit or remove the existing strikethrough. Strikethrough text in PDF files using WPF PDF Viewer
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