There is a project in MFC into which forms C # are built.
The first problem - TabIndex does not affect the focus, but it is not critical.
The second problem - after switching to the tab from the last element, the program freezes. / Perhaps the reason is that the form C # parent = null .
How can I solve the 2nd problem?
ps at the moment I try to embed an element at the end, and with gotFocus force the focus to the 1st element.