从子表单中引用主表单

Question

I have a main form and that open a child:

Preeee p = new Preeee();
p.MdiParent = this;
p.Show();

and in certain point the child form will closes and opens it self:

Preeee p = new Preeee();
p.MdiParent = this;
p.Show();
this.Close();

but of course this in the second line refer to itself but i want it to refer to another form witch is the main form

Answer 1

看来您只想让父母同住，您可以这样做：

p.MdiParent = this.MdiParent;