PdfDocumentProcessor.FindText(String) Method

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

Namespace: DevExpress.Pdf

Assembly: DevExpress.Docs.v23.2.dll

NuGet Package: DevExpress.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