Read WinForm text box using AutoItx

[user38]

I have been using the AutoItX library in Visual studio to create a C# program to automate some functionality of using a GUI program. One issue I am having is reading the contents of a textbox from the GUI. I tried using AutoItX.ControlGetText() but it is just returning null. When using AutoIt Window Preview and selecting the text box I want to read it says WindowsForms10.Window.8.app then a bunch of random characters after that. Am I not able to use the AutoItX.ControlGetText() to read this type of Winform? If so, how can I read the text from it?

It is a read only text box, I can successfully use use Ctrl + A to select all elements and Ctrl + C to copy to clipboard. However, I cannot write to the text box