Closing an MDI Parent Form

[Kathy D]

I have created an mdi parent form with four children. I want to disable
closing the four children but allow closing the parent form. I created a
FormClosing event on each form. That event tests to see who the sender is.
If it is the appropriate child form the close is disabled and a message box
shown.

The problem is on the FormClosing event for the parent. It goes immediately
to the first child form and displays the message box, then it allows the
parent form to close. How do I stop this event from going immediately to the
child form?

Here is the code for the FormClosing event on the parent:

private void frmMyForm1_Form Closing(object sender, FormClosingEven tArgs e)
{
string strSender = sender.ToString ();

int intIndex = strSender.Index Of("frmMyForm1" , 0,
strSender.Lengt h);

if (intIndex > -1)
{
e.Cancel = false;
}
}