using IronOcr;
using System;
var ocrTesseract = new IronTesseract();
ocrTesseract.OcrProgress += (_, ocrProgressEventsArgs) =>
{
Console.WriteLine(ocrProgressEventsArgs.ProgressPercent + "% " + ocrProgressEventsArgs.Duration.TotalSeconds + "s");
};
using var input = new OcrInput();
input.LoadPdf("large.pdf");
// Progress events will fire during the read operation even if the main thread is blocked.
var result = ocrTesseract.Read(input);
Imports IronOcr
Imports System
Dim ocrTesseract = New IronTesseract()
AddHandler ocrTesseract.OcrProgress, Sub(_, ocrProgressEventsArgs)
Console.WriteLine(ocrProgressEventsArgs.ProgressPercent & "% " & ocrProgressEventsArgs.Duration.TotalSeconds & "s")
End Sub
Using input As New OcrInput()
input.LoadPdf("large.pdf")
' Progress events will fire during the read operation even if the main thread is blocked.
Dim result = ocrTesseract.Read(input)
End UsingImports IronOcr
Imports System
Dim ocrTesseract = New IronTesseract()
AddHandler ocrTesseract.OcrProgress, Sub(_, ocrProgressEventsArgs)
Console.WriteLine(ocrProgressEventsArgs.ProgressPercent & "% " & ocrProgressEventsArgs.Duration.TotalSeconds & "s")
End Sub
Using input As New OcrInput()
input.LoadPdf("large.pdf")
' Progress events will fire during the read operation even if the main thread is blocked.
Dim result = ocrTesseract.Read(input)
End Using
IronTesseract 对象有一个 OcrProgress 事件，可以用来跟踪OCR进度。 我们可以使用在任何OCR文本页面读取完毕后发送到此事件的 OcrProgressEventArgs 对象来跟踪进度。
这在图形用户界面应用程序、Web 应用程序和命令行界面 (CLI) 中都非常有用，可以让用户了解他们可能需要等待多长时间。
IronTesseract对象。OcrProgress实例验证进度。Read 方法从 OcrInput 对象中读取文本。Nuget Downloads 6,357,159|版本:2026.11刚刚发布
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