Picturebox gets locked after loading an image

Hi,

I'm trying to load a picture in a picturebox and then recognize it with a OCR, but when I load a picture it says I haven't drawn anything yet!
I read that the picturebox gets locked after you load an image into it, could this be the problem?
I'm using this project: http://planetsourcecode.com/vb/scrip...42632&lngWId=1
And I added a function that loads a picture into the picturebox where you would normally draw a letter.

Thanks a lot & kind regards

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