I now have an equivalent to the parent window, and then made several subclasses window, in the parent class now build a drop-down menu, to achieve each opens at the drop-down menu is one of the child window, ask ace to solve

CodePudding user response:

????? Parent window? You called the MDI parent class, called the child subclass???

CodePudding user response:

Use OPENsheetwithparm,

CodePudding user response:

Suggest you buy this pb based tutorial first, look at it again