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Load any file for conversion in C#

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To load any supported file for conversion, use the LoadFromFile method from the GdPictureDocumentConverter class.

LoadFromFile accepts:

  • FilePath — Path to the input file.
  • DocumentFormat (optional) — A member of the DocumentFormat enumeration. You can also pass DocumentFormat.DocumentFormatUNKNOWN for auto-detection.

LoadFromFile returns a GdPictureStatus, which should always be checked before conversion.

The full list of supported input formats is available on the supported file types page.

To load and convert a file from local storage (example: Excel to PDF), use the following code:

using GdPicture14;
using System;


using GdPictureDocumentConverter converter = new GdPictureDocumentConverter();


GdPictureStatus status = converter.LoadFromFile(
    @"C:\temp\source.xlsx",
    DocumentFormat.DocumentFormatXLSX);


if (status != GdPictureStatus.OK)
{
    Console.WriteLine($"LoadFromFile failed: {status}");
    return;
}


status = converter.SaveAsPDF(@"C:\temp\output.pdf");
if (status != GdPictureStatus.OK)
{
    Console.WriteLine($"SaveAsPDF failed: {status}");
}