internal static IntPtr LoadLibraryByName(string libraryName, Assembly assembly, DllImportSearchPath?searchPath, bool throwOnError)
{
// First checks if a default dllImportSearchPathFlags was passed in, if so, use that value.
// Otherwise checks if the assembly has the DefaultDllImportSearchPathsAttribute attribute.
// If so, use that value.
int searchPathFlags;
bool searchAssemblyDirectory;
if (searchPath.HasValue)
{
searchPathFlags = (int)(searchPath.Value & ~DllImportSearchPath.AssemblyDirectory);
searchAssemblyDirectory = (searchPath.Value & DllImportSearchPath.AssemblyDirectory) != 0;
}
else
{
GetDllImportSearchPathFlags(assembly, out searchPathFlags, out searchAssemblyDirectory);
}
LoadLibErrorTracker errorTracker = default;
IntPtr ret = LoadLibraryModuleBySearch(assembly, searchAssemblyDirectory, searchPathFlags, ref errorTracker, libraryName);
if (throwOnError && ret == IntPtr.Zero)
{
errorTracker.Throw(libraryName);
}
return(ret);
}
private static IntPtr LoadFromPath(string libraryName, bool throwOnError)
{
LoadLibErrorTracker errorTracker = default;
IntPtr ret = LoadLibraryHelper(libraryName, 0, ref errorTracker);
if (throwOnError && ret == IntPtr.Zero)
{
errorTracker.Throw(libraryName);
}
return(ret);
}
