将DLL中的FORM变为MDI子FORM-The DLL in the MDI sub-FORM into FORM

找了很久,也很多人问我要类似的东东,纯代码实现. 将DLL中的FORM变为MDI子FORM,实现起来非常简单 -Looking for a long time, but also a lot of people ask me stuff like, pure code implementation. The DLL into the MDI child in the FORM FORM, is very simple to a