public void Dispose()
{
if (wrapper != null)
{
wrapper.Dispose();
wrapper = null;
}
}
private void CreateWrapper()
{
var handle = IntPtr.Zero;
if (File.Exists(FilePath))
{
// utf8 string with terminating zero
lock (staticLock)
handle = MuPDFLib.LoadDocument(Encoding.UTF8.GetBytes(FilePath + "\0"));
}
wrapper = new PDFDocumentWrapper(handle);
}