我正在尝试使用kernal32.dll中的一些函数。然而,当我的应用程序尝试调用第一个函数时,它会抛出EntryPointNotFoundException异常 无法在DLL 'kernel32.dll'中找到名为'SetDllDirectory'的入口点。
public class MyClass
{
/// <summary>
/// Use to interface to kernel32.dll for dynamic loading of similar DLLs.
/// </summary>
internal static class UnsafeNativeMethods
{
[DllImport("kernel32.dll", CharSet = CharSet.Ansi, ExactSpelling = true, SetLastError = true)]
internal static extern IntPtr LoadLibrary(string lpFileName);
[DllImport("kernel32.dll", CharSet = CharSet.Ansi, ExactSpelling = true, SetLastError = true)]
internal static extern bool SetDllDirectory(string lpPathName);
[DllImport("kernel32.dll", CharSet = CharSet.Ansi, ExactSpelling = true, SetLastError = true)]
internal static extern IntPtr GetProcAddress(IntPtr hModule, string procName);
}
private void MyFunc()
{
if (UnsafeNativeMethods.SetDllDirectory(_location) == false) // <-- Exception thrown here.
{
throw new FileNotFoundException(_location);
}
/* Some code. */
_dllHandle = UnsafeNativeMethods.LoadLibrary(_fullPath);
/* Some more code. */
_fptr = UnsafeNativeMethods.GetProcAddress(_dllHandle, _procName);
/* Yet even more code. */
}
}
任何关于我做错了什么以及如何让它正常工作的想法都将不胜感激。谢谢。