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PdfFocusToImage(String, Int32) Method

Saves the specific page of the PDF document as image file.

Namespace: SautinSoft
Assembly: SautinSoft.PdfFocus (in SautinSoft.PdfFocus.dll) Version: 2024.3.28
Syntax
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public int ToImage(
	string fileName,
	int page
)

Parameters

fileName  String
Path to image file
page  Int32
Page which you want to save as image

Return Value

Int32
0 - saving successfully
2 - can't create output file, check the output path
3 - saving failed, email to support@sautinsoft.com
Remarks
Before converting you may set various image properties using the property ImageOptions. For example, set:
  • Dpi - image resolution in dots per inch. Default value: 200
  • ImageFormat - format for produced images as standard ImageFormat. Default value: Png
  • ColorDepth - color depth or bit depth is the number of bits used to represent the color of a single pixel. Default value: 24 bit RGB
Example
How to convert PDF 1st page to PNG file in C#
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using System;
using System.IO;

namespace Sample
{
    class Sample
    {
        static void Main(string[] args)
        {
                                  // Get your free 30-day key here:   
             // https://sautinsoft.com/start-for-free/          

           // Convert PDF 1st page to PNG file.
            SautinSoft.PdfFocus f = new SautinSoft.PdfFocus();

            string pdfPath = Path.GetFullPath(@"..\..\..\Excel.pdf");
            string imagePath = "Result.png";

            f.OpenPdf(pdfPath);

            if (f.PageCount > 0)
            {
                //save 1st page to png file, 120 dpi
                f.ImageOptions.ImageFormat = SautinSoft.PdfFocus.CImageOptions.ImageFormats.Png;
                f.ImageOptions.Dpi = 120;
                if (f.ToImage(imagePath, 1) == 0)
                {
                    // 0 - converting successfully                
                    // 2 - can't create output file, check the output path
                    // 3 - converting failed
                    System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(imagePath) { UseShellExecute = true });
                }
            }
        }
    }
}
How to convert PDF 1st page to PNG file in VB.Net
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Imports System
Imports System.IO

Namespace Sample
    Friend Class Sample
        Shared Sub Main(ByVal args() As String)
                                  ' Get your free 30-day key here:   
             ' https://sautinsoft.com/start-for-free/          

           ' Convert PDF 1st page to PNG file.
            Dim f As New SautinSoft.PdfFocus()

            Dim pdfPath As String = Path.GetFullPath("..\..\..\Excel.pdf")
            Dim imagePath As String = "Result.png"

            f.OpenPdf(pdfPath)

            If f.PageCount > 0 Then
                'save 1st page to png file, 120 dpi
                f.ImageOptions.ImageFormat = SautinSoft.PdfFocus.CImageOptions.ImageFormats.Png
                f.ImageOptions.Dpi = 120
                If f.ToImage(imagePath, 1) = 0 Then
                    ' 0 - converting successfully                
                    ' 2 - can't create output file, check the output path
                    ' 3 - converting failed
                    System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(imagePath) With {.UseShellExecute = True})
                End If
            End If
        End Sub
    End Class
End Namespace
See Also