test.cs

using (TXTextControl.ServerTextControl tx = new TXTextControl.ServerTextControl())
{
	tx.Create();

	TXTextControl.LoadSettings loadSettings = new TXTextControl.LoadSettings()
	{
		PDFImportSettings = TXTextControl.PDFImportSettings.GenerateLines
	};

	tx.Load("invoice.pdf", TXTextControl.StreamType.AdobePDF, loadSettings);

	var plainText = tx.Text;	

	Console.WriteLine(plainText);
}