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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。