using IronOcr;
using System.Threading;
// Opens a Large PDF which may need to be cancelled early
IronTesseract ocrTesseract = new IronTesseract() { Language = OcrLanguage.English };
using var ocrInput = new OcrInput();
ocrInput.LoadPdf("large-report.pdf");
// Starts a read on the PDF using IronOCR
OcrReadTask ocrRead = ocrTesseract.ReadAsync(ocrInput);
Thread.Sleep(1000); // Time passes...
// Cancellation Example:
ocrRead.Cancel();
ocrRead.Wait();
Imports IronOcr
Imports System.Threading
' Opens a Large PDF which may need to be cancelled early
Dim ocrTesseract As New IronTesseract() With {.Language = OcrLanguage.English}
Using ocrInput = New OcrInput()
ocrInput.LoadPdf("large-report.pdf")
' Starts a read on the PDF using IronOCR
Dim ocrRead As OcrReadTask = ocrTesseract.ReadAsync(ocrInput)
Thread.Sleep(1000) ' Time passes...
' Cancellation Example:
ocrRead.Cancel()
ocrRead.Wait()
End UsingImports IronOcr
Imports System.Threading
' Opens a Large PDF which may need to be cancelled early
Dim ocrTesseract As New IronTesseract() With {.Language = OcrLanguage.English}
Using ocrInput = New OcrInput()
ocrInput.LoadPdf("large-report.pdf")
' Starts a read on the PDF using IronOCR
Dim ocrRead As OcrReadTask = ocrTesseract.ReadAsync(ocrInput)
Thread.Sleep(1000) ' Time passes...
' Cancellation Example:
ocrRead.Cancel()
ocrRead.Wait()
End Using
The feature allows the users to suspend the current thread for a specified period in milliseconds.
This helps with reading large input files in the case that there's a stuck while the program or application is running.
Explore Asynchronous OCR Operations with IronOCR.Nuget Downloads 6,357,159|Version:2026.11just released
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