How to open a child form in a parent form in C#

Question

You are creating a Windows Forms application of the multiple-document interface (MDI) type. You configure the frmParent form as the parent. You write the following code segment.

```
01 frmChild form = new frmChild();

02 frmParent form = this;

03
```

You need to associate and display the frmChild form to the frmParent form. What code segment will you need to add to line 03?

Accepted Answer

child.MdiParent = parent;

child.Show();

Answer

child.MdiParent = parent;

child.ShowDialog();

Answer

child.IsMdiContainer = true;

child.ShowDialog();

Answer

child.IsMdiContainer = true;

child.Show();

Question from the C# Winforms test

How to open a child form in a parent form in C#