MDI forms

Question

Please try to understand my need.

I have a project it has 3 froms.

Form1 is - MDI Parent
Form2 is - MDI Child
Form3 is - MDI child

I have already open the Form2 inside Form1(The parent form).

Form2 has a button.if clicked i want to open From3 inside the parent form(in my case it is Form1)

I already use the

Form2 form2 = new Form2();
from2.Mdiparent = this;
form2.show();

but i cant use the same code to open Form3 in the parent form(The parent form is Form1) because now i'm on the form2 so i can't use the key " this " am i correct?

please help me on this please.

Vulpes · Answer

As I said in your previous thread ( http://www.c-sharpcorner.com/Forums/Thread/123606/about-mdi-forms.aspx ) to open Form3 as an mdi child of Form1 from Form2 you'll need code such as this: Form3 f3 = new Form3(); f3.MdiParent = this.MdiParent; // 'this' refers to the current instance of Form2 and so Form3 will share the same parent namely Form1 f3.Show();

Vilas Gite · Answer

Hi Rudi if you solve your problem then just Accept answer. The moto is that post became closed. :)

Rudi Steelman · Answer

Thank u it works i search for it in the web from the last week thanks a lot.

Vilas Gite · Answer

Hi Rudi Are you want two forms will activated in a single button click?then its possible. please ensure your MDI parent forms properties check it-IsMdiContainer=true; private void button1_Click(object sender EventArgs e) { Form2 frm2 = new Form2(); frm2.MdiParent = this; frm2.Show(); Form3 frm3 = new Form3(); frm3.MdiParent = this; frm3.Show(); } ------------------------------------------------------------------- Checked Answer Box if you solve your post........

Rudi Steelman · Answer

thanks bro i'll check this and reply to u

Suthish Nair · Answer

Rudi don't create duplicate threads.