2022 年最佳 PDF 查看器选项

// Create a new C# or VB project in Visual Studio.
// Ensure you have installed the IronPDF library using NuGet Package Manager.
// Use the IronPDF library in your project file
using IronPdf;

class Program
{
    static void Main()
    {
        // Create a PDFDocument object. Provide the PDF file path to open.
        // If the PDF is password-protected, include the password as well.
        PdfDocument PDF = PdfDocument.FromFile("encrypted.pdf", "password");

        // Extract all text from the PDF document.
        string AllText = PDF.ExtractAllText();
        System.Console.WriteLine(AllText);

        // Extract all images from the PDF document.
        IEnumerable<System.Drawing.Image> AllImages = PDF.ExtractAllImages();
        foreach (var image in AllImages)
        {
            // Process each extracted image as needed.
        }

        // Optional: Iterate over each page, extracting text and images for more detailed processing.
        for (int i = 0; i < PDF.PageCount; i++)
        {
            string pageText = PDF.GetPageText(i);
            IEnumerable<System.Drawing.Image> pageImages = PDF.ExtractImagesFromPage(i);

            // Process each page's text and images as needed.
        }
    }
}

' Create a new C# or VB project in Visual Studio.
' Ensure you have installed the IronPDF library using NuGet Package Manager.
' Use the IronPDF library in your project file
Imports IronPdf

Friend Class Program
	Shared Sub Main()
		' Create a PDFDocument object. Provide the PDF file path to open.
		' If the PDF is password-protected, include the password as well.
		Dim PDF As PdfDocument = PdfDocument.FromFile("encrypted.pdf", "password")

		' Extract all text from the PDF document.
		Dim AllText As String = PDF.ExtractAllText()
		System.Console.WriteLine(AllText)

		' Extract all images from the PDF document.
		Dim AllImages As IEnumerable(Of System.Drawing.Image) = PDF.ExtractAllImages()
		For Each image In AllImages
			' Process each extracted image as needed.
		Next image

		' Optional: Iterate over each page, extracting text and images for more detailed processing.
		For i As Integer = 0 To PDF.PageCount - 1
			Dim pageText As String = PDF.GetPageText(i)
			Dim pageImages As IEnumerable(Of System.Drawing.Image) = PDF.ExtractImagesFromPage(i)

			' Process each page's text and images as needed.
		Next i
	End Sub
End Class