/// <summary>
/// Opens a library. If 'filename' is not a fully-qualified path, the default search path is used.
/// </summary>
public static SafeLibraryHandle Open(string filename)
{
const uint LOAD_LIBRARY_SEARCH_SYSTEM32 = 0x00000800U; // from libloaderapi.h
SafeLibraryHandle handle = UnsafeNativeMethods.LoadLibraryEx(filename, IntPtr.Zero, LOAD_LIBRARY_SEARCH_SYSTEM32);
if (handle == null || handle.IsInvalid)
{
UnsafeNativeMethods.ThrowExceptionForLastWin32Error();
}
return(handle);
}
private static void InitHttpApi(ushort majorVersion, ushort minorVersion)
{
version.HttpApiMajorVersion = majorVersion;
version.HttpApiMinorVersion = minorVersion;
var statusCode = HttpInitialize(version, (uint)(HTTP_FLAGS.HTTP_INITIALIZE_SERVER | HTTP_FLAGS.HTTP_INITIALIZE_CONFIG), null);
supported = statusCode == UnsafeNclNativeMethods.ErrorCodes.ERROR_SUCCESS;
if (supported)
{
HttpApiModule = SafeLibraryHandle.Open(HTTPAPI);
HttpSetRequestProperty = HttpApiModule.GetProcAddress <HttpSetRequestPropertyInvoker>("HttpSetRequestProperty", throwIfNotFound: false);
SupportsReset = HttpSetRequestProperty != null;
SupportsTrailers = IsFeatureSupported(HTTP_FEATURE_ID.HttpFeatureResponseTrailers);
SupportsDelegation = IsFeatureSupported(HTTP_FEATURE_ID.HttpFeatureDelegateEx);
}
}
private static void InitHttpApi(ushort majorVersion, ushort minorVersion)
{
version.HttpApiMajorVersion = majorVersion;
version.HttpApiMinorVersion = minorVersion;
var statusCode = HttpInitialize(version, (uint)HTTP_FLAGS.HTTP_INITIALIZE_SERVER, null);
supported = statusCode == UnsafeNclNativeMethods.ErrorCodes.ERROR_SUCCESS;
if (supported)
{
HttpApiModule = SafeLibraryHandle.Open(HTTPAPI);
HttpSetRequestProperty = HttpApiModule.GetProcAddress <HttpSetRequestPropertyInvoker>("HttpSetRequestProperty", throwIfNotFound: false);
SupportsReset = HttpSetRequestProperty != null;
// Trailers support was added in the same release as Reset, but there's no method we can export to check it directly.
SupportsTrailers = SupportsReset;
}
}
internal static extern IntPtr GetProcAddress(
[In] SafeLibraryHandle hModule,
[In, MarshalAs(UnmanagedType.LPStr)] string lpProcName);
