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i have millions of old dxf files every file contains a 2d part of a Product in that part is a marking (partnumber, projekt, typ of part) this 3 lines of Text i like to delete and add my own text to make it understandable for our new cutter machine. how to add the new text i know. i just dont understand how to pick that old Text and delete it.

1. Document.Load (OK)
2. delete all TEXT (???) (not MText)
3. add new MText (OK)
4. then save under same filename same directory (OK)

i just have knowledge gap about that 2. point

i want to open a dxf file remove the old Text(not Mtext) and add a new Text.
using netDXF

i populate a listbox with some files which fullfill the search variables
then i like to use the listbox.items + path which i tried to do like this

string itemIn = string.Empty;
            foreach (Object item in listbox1.Items)
            {
                if (itemIn.Length > 0) itemIn += ", ";
                itemIn += tbPath.Text + "\\" + listbox1.GetItemText(item);
            }

string[] inputs = new string[] { itemIn };