How to upgrade your TCAD drawing to new file format (unicode)?
You can write a procedure to upgrade it , it is automatic, the steps:
1.backup all of your files
3.Try open the old file in the DesignallwinEN.exe and to show it, if can be opened, then you can write code for upgrading;
4.Open the project source by Delphi 10.2 Tokoyo, place a Button in the MainForm
write this code in the Button.Click(Sender:TObject) function:
You can write a loop to process your drawing by FindFirst,FindNext function.
5. Save and run it.