How to add a MDI child from another mdichild

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Hello, i have a windows form application and i have an initial form wich is the container of the other forms.
I want to pass from Form1 (mdichild form) to another Form2 (mdichild form).
My code is working if i am in the initial form but if i am in the form1 and want to pass to form2 nothing is happening !!
Please any help :)

What I have tried:

if (Wizard_C9_V.SelectedPage == wizardCompletionPage1)
            {
                /*this.Hide();
                FormInitial fmi = new FormInitial();
                fmi.IsMdiContainer = true;
                fcp.MdiParent = fmi;
                fcp.Show();*/              

            }

Posted 18-Jan-21 1:17am

houssem eddine ayari

Updated 18-Jan-21 3:15am

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2 solutions

Solution 1

See answer here: How to open a MDIchid form from another MDIchild form within a MDIparent form[^]

Posted 18-Jan-21 1:32am

RickZeeland

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Chander Parkash Mourya · Accepted Answer · 2021-01-18T03:15:00

As per my understanding you want to add child screen from another child screen.
For example -
MDIParentForm > open first child > on first child open 2nd child screen and add this screen to MDIParentForm.

MDIParentForm = Parent container.
Form2 - First child screen
Form3 - Second child screen

Add below code to your second child form from where you want to open and add screen to MDIParent form.

C#

Form3 objFrom3 = new Form3();
objFrom3.MdiParent = Application.OpenForms["MdiForm1"];
objFrom3.Show();

If you need more help then let me know.