PdfiumViewer只支持X64

Install-Package PdfiumViewer -Version 2.13.0

 

 internal static partial class NativeMethods
    {
        static NativeMethods()
        {
            // First try the custom resolving mechanism.

            string fileName = PdfiumResolver.GetPdfiumFileName();
            if (fileName != null && File.Exists(fileName) && LoadLibrary(fileName) != IntPtr.Zero)
                return;

            // Load the platform dependent Pdfium.dll if it exists.

            if (!TryLoadNativeLibrary(AppDomain.CurrentDomain.RelativeSearchPath))
                TryLoadNativeLibrary(Path.GetDirectoryName(typeof(NativeMethods).Assembly.Location));
        }

        private static bool TryLoadNativeLibrary(string path)
        {
            if (path == null)
                return false;

            path = Path.Combine(path, IntPtr.Size == 4 ? "x86" : "x64");
            path = Path.Combine(path, "Pdfium.dll");

            return File.Exists(path) && LoadLibrary(path) != IntPtr.Zero;
        }

 

 

 

https://gitee.com/Xhutu/PdfiumViewer  这里 使用了X86  X64位  Pdfium.dll。   

 

需要把X86  X64的DLL，以文件夹形式放置在bin目录下即可。