C# MDI Parent detect when MDI Child is closing?

Question

I\'m attempting to detect, on the MDI parent, when my MDI child form closes, and react accordingly. The MDI parent shouldn\'t do anything until the MDI child closes. Here is

Answer 1

While this doesn't really address the problem you're referring to, judging from the use case, you may want to consider opening the Validation form as a modal dialog instead of as an MDI child.

You can do this using the form's ShowDialog() method where you have Show() now. Keep in mind that ShowDialog() can also return a DialogResult if you assign them to buttons on the other form.