WPF-60164 : Perform text operations using PDFium to improve the rendering performance [UG linking was provided]

Deepak1799 · Deepak1799 · commit df54dce2ccf1 · 2022-02-01T13:54:43.000+05:30
diff --git a/wpf/Pdf-Viewer/Redaction.md b/wpf/Pdf-Viewer/Redaction.md
@@ -11,7 +11,7 @@ documentation: ug
 
 Redaction support allows you to remove sensitive/confidential information in text, images, and graphics from a PDF document.
 
-N> From version 19.4.0.48, we have updated our default text extraction engine to PDFium for extracting text information from PDF documents. Based on the text information, we redact text in the PDF documents
+N> From version 19.4.0.48, we have updated our default text extraction engine to PDFium for extracting text information from PDF documents. Based on the text information, we redact text in the PDF documents. Please refer to the [link](https://help.syncfusion.com/wpf/pdf-viewer/text-extraction-engines) for more details.
 
 ## Enable redaction mode
 
diff --git a/wpf/Pdf-Viewer/Searching-Text.md b/wpf/Pdf-Viewer/Searching-Text.md
@@ -9,7 +9,7 @@ documentation: ug
 
 # Search text in PDF files using WPF PDF Viewer
 
-N> From version 19.4.0.48, we have updated our default text extraction engine to PDFium for extracting text information from PDF documents. Based on the text information, we perform text search in PDF documents.
+N> From version 19.4.0.48, we have updated our default text extraction engine to PDFium for extracting text information from PDF documents. Based on the text information, we perform text search in PDF documents. Please refer to the [link](https://help.syncfusion.com/wpf/pdf-viewer/text-extraction-engines) for more details.
 
 The WPF PDF Viewer allows you to search and highlight the text in the PDF files. The search box appears when Ctrl+F is pressed and searches the text in the PDF document as displayed in the following screenshot.
 
@@ -44,11 +44,9 @@ Private Sub Window_Loaded(sender As Object, e As RoutedEventArgs)
 	Dim isMatchFound As Boolean
 
 	'Load the PDF.
-
 	pdfViewer.Load("../../Data/Barcode.pdf")
 
 	'Get the occurrences of the target text and location.
-
 	Dim textSearch As New Dictionary(Of Integer, List(Of RectangleF))()
 
 	isMatchFound = pdfViewer.FindText("targetText", textSearch)
diff --git a/wpf/Pdf-Viewer/Select-and-copy-text.md b/wpf/Pdf-Viewer/Select-and-copy-text.md
@@ -11,7 +11,7 @@ documentation: ug
 
 In PDF Viewer, text can be selected by clicking the mouse left button and dragging the mouse pointer over the text in any direction.
 
-N> From version 19.4.0.48, we have updated our default text extraction engine to PDFium for extracting text information from PDF documents. Based on the text information, we select text in the PDF documents.
+N> From version 19.4.0.48, we have updated our default text extraction engine to PDFium for extracting text information from PDF documents. Based on the text information, we select text in the PDF documents. Please refer to the [link](https://help.syncfusion.com/wpf/pdf-viewer/text-extraction-engines) for more details.
 
 ## Detecting the completion of text selection
 
diff --git a/wpf/Pdf-Viewer/Working-with-Annotations/Highlight-Annotation.md b/wpf/Pdf-Viewer/Working-with-Annotations/Highlight-Annotation.md
@@ -15,9 +15,9 @@ To enable the mode from UI, click the below icon in the default toolbar of [PdfV
 
 ![Highlight icon in the WPF PDF Viewer toolbar](Annotation-images\highlight-icon.png)
 
-If you are using [PdfDocumentView](https://help.syncfusion.com/cr/wpf/Syncfusion.Windows.PdfViewer.PdfDocumentView.html) control, or your own toolbar, or if you want enable the mode programmatically, change the [AnnotationMode](https://help.syncfusion.com/cr/wpf/Syncfusion.Windows.PdfViewer.PdfViewerControl.html#Syncfusion_Windows_PdfViewer_PdfViewerControl_AnnotationMode) property of PDF Viewer to **Highlight**, as shown in the below code example.
+N> From version 19.4.0.48, we have updated our default text extraction engine to PDFium for extracting text information from PDF documents. Based on the text information, we create text markup annotations in the PDF documents. Please refer to the [link](https://help.syncfusion.com/wpf/pdf-viewer/text-extraction-engines) for more details.
 
-N> From version 19.4.0.48, we have updated our default text extraction engine to PDFium for extracting text information from PDF documents. Based on the text information, we create text markup annotations in the PDF documents.
+If you are using [PdfDocumentView](https://help.syncfusion.com/cr/wpf/Syncfusion.Windows.PdfViewer.PdfDocumentView.html) control, or your own toolbar, or if you want enable the mode programmatically, change the [AnnotationMode](https://help.syncfusion.com/cr/wpf/Syncfusion.Windows.PdfViewer.PdfViewerControl.html#Syncfusion_Windows_PdfViewer_PdfViewerControl_AnnotationMode) property of PDF Viewer to **Highlight**, as shown in the below code example.
 
 {% tabs %}
 {% highlight C# %}
diff --git a/wpf/Pdf-Viewer/Working-with-Annotations/Strikethrough-Annotation.md b/wpf/Pdf-Viewer/Working-with-Annotations/Strikethrough-Annotation.md
@@ -15,9 +15,9 @@ To enable the mode from UI, click the below icon in the default toolbar of [PdfV
 
 ![Strikethrough icon in the WPF PDF Viewer toolbar](Annotation-images\strikethrough-icon.png)
 
-If you are using [PdfDocumentView](https://help.syncfusion.com/cr/wpf/Syncfusion.Windows.PdfViewer.PdfDocumentView.html) control, or your own toolbar, or if you want enable the mode programmatically, change the [AnnotationMode](https://help.syncfusion.com/cr/wpf/Syncfusion.Windows.PdfViewer.PdfViewerControl.html#Syncfusion_Windows_PdfViewer_PdfViewerControl_AnnotationMode) property of PDF Viewer to **Strikethrough**, as shown in the below code example.
+N> From version 19.4.0.48, we have updated our default text extraction engine to PDFium for extracting text information from PDF documents. Based on the text information, we create text markup annotations in the PDF documents. Please refer to the [link](https://help.syncfusion.com/wpf/pdf-viewer/text-extraction-engines) for more details.
 
-N> From version 19.4.0.48, we have updated our default text extraction engine to PDFium for extracting text information from PDF documents. Based on the text information, we create text markup annotations in the PDF documents.
+If you are using [PdfDocumentView](https://help.syncfusion.com/cr/wpf/Syncfusion.Windows.PdfViewer.PdfDocumentView.html) control, or your own toolbar, or if you want enable the mode programmatically, change the [AnnotationMode](https://help.syncfusion.com/cr/wpf/Syncfusion.Windows.PdfViewer.PdfViewerControl.html#Syncfusion_Windows_PdfViewer_PdfViewerControl_AnnotationMode) property of PDF Viewer to **Strikethrough**, as shown in the below code example.
 
 {% tabs %}
 {% highlight C# %}
diff --git a/wpf/Pdf-Viewer/Working-with-Annotations/Underline-Annotation.md b/wpf/Pdf-Viewer/Working-with-Annotations/Underline-Annotation.md
@@ -15,9 +15,9 @@ To enable the mode from UI, click the below icon in the default toolbar of [PdfV
 
 ![Underline icon in the WPF PDF Viewer toolbar](Annotation-images\underline-icon.png)
 
-If you are using [PdfDocumentView](https://help.syncfusion.com/cr/wpf/Syncfusion.Windows.PdfViewer.PdfDocumentView.html) control, or your own toolbar, or if you want enable the mode programmatically, change the [AnnotationMode](https://help.syncfusion.com/cr/wpf/Syncfusion.Windows.PdfViewer.PdfViewerControl.html#Syncfusion_Windows_PdfViewer_PdfViewerControl_AnnotationMode) property of PDF Viewer to **Underline**, as shown in the below code example.
+N> From version 19.4.0.48, we have updated our default text extraction engine to PDFium for extracting text information from PDF documents. Based on the text information, we create text markup annotations in the PDF documents. Please refer to the [link](https://help.syncfusion.com/wpf/pdf-viewer/text-extraction-engines) for more details.
 
-N> From version 19.4.0.48, we have updated our default text extraction engine to PDFium for extracting text information from PDF documents. Based on the text information, we create text markup annotations in the PDF documents.
+If you are using [PdfDocumentView](https://help.syncfusion.com/cr/wpf/Syncfusion.Windows.PdfViewer.PdfDocumentView.html) control, or your own toolbar, or if you want enable the mode programmatically, change the [AnnotationMode](https://help.syncfusion.com/cr/wpf/Syncfusion.Windows.PdfViewer.PdfViewerControl.html#Syncfusion_Windows_PdfViewer_PdfViewerControl_AnnotationMode) property of PDF Viewer to **Underline**, as shown in the below code example.
 
 {% tabs %}
 {% highlight C# %}
