You should approach this carefully and systematically, see (amongst others):
As I’ve no development I feel like doing on my app at the minute, I decided it was the time to attempt the conversion. A number of things have cropped up.
Start with two copies of the project. One is for trying things, the other is for applying permanent conversion steps to. I have a number of small windows with only a few controls in each; these converted easily, with no compilation errors, and worked OK when tested. Such steps can then be applied to the clean copy. Having done that, SAVE! Thi…
Vincent MERCEY:
Examples :
Type “DesktopListBox” has no member named “InvalidateCell”
—> OK, but by what replacing it ?
You have to do some research, by looking up Selected in the old Listbox docs, then looking in the DesktopListbox docs to see what has the same purpose now.