Multiple forms, form pass values, open unique form actions

First, open the Multi-child window

Instantiate the form you want to open in the control, and then adjust the method show

Example: Open the F2 form in a button

Form2 f2=new Form2 ()

F2.show ()

Second, the value of the constructor function

1, add parameters in the instantiation, display the information type, open the form type

2. To open the form in the constructor accept

Third, open the window only

1. Instantiate to open the window and place it in the type collection

2, determine whether the window is in the collection, not open

3. constructor-Passed parent window

4. Child window close Si Cho Delete collection sub-level window method

Cases:

Multiple forms, form pass values, open unique form actions