PdfDocumentProcessor.FindText(String) Method

Searches for the specified text in the current document with default parameters.

Namespace: DevExpress.Pdf

Assembly: DevExpress.Docs.v20.2.dll

NuGet Package: DevExpress.Document.Processor

NuGet Packages: DevExpress.Document.Processor, DevExpress.WindowsDesktop.Document.Processor

Declaration

C#

public PdfTextSearchResults FindText(
    string text
)

VB.NET

Public Function FindText(
    text As String
) As PdfTextSearchResults

Parameters

Name	Type	Description
text	String	A String value, specifying the text to find in the PDF.

Returns

Type	Description
PdfTextSearchResults	A PdfTextSearchResults object.

Remarks

The overloaded FindText method uses the page coordinate system. Refer to the Coordinate Systems topic for more information.

The code sample below counts all words in a document.

View Example

MainForm.cs

using DevExpress.Pdf;
using DevExpress.XtraBars;
using DevExpress.XtraEditors;
using System.IO;
using System.Text;
using System.Windows.Forms;
// ...
        private int WordCount(string filePath, string word) {
            int count = 0;
            try {
                using (PdfDocumentProcessor documentProcessor = new PdfDocumentProcessor()) {
                    documentProcessor.LoadDocument(filePath);
                    while (documentProcessor.FindText(word).Status == PdfTextSearchStatus.Found) {
                        count++;
                    }
                }
            }
            catch { }

            return count;
        }

MainForm.vb

Imports DevExpress.Pdf
Imports DevExpress.XtraBars
Imports DevExpress.XtraEditors
Imports System.IO
Imports System.Text
Imports System.Windows.Forms
' ...
        Private Function WordCount(ByVal filePath As String, ByVal word As String) As Integer
            Dim count As Integer = 0
            Try
                Using documentProcessor As New PdfDocumentProcessor()
                    documentProcessor.LoadDocument(filePath)
                    Do While documentProcessor.FindText(word).Status = PdfTextSearchStatus.Found
                        count += 1
                    Loop
                End Using
            Catch
            End Try

            Return count
        End Function