"2016-11-6" "persist in Learning" "Day21" "when the main window is closed, synchronize the closing of its child window"

Source: Internet
Author: User

It was intended to be implemented with a delegate. But I don't think it's necessary.

Here's how:

   PublicMainWindow () {InitializeComponent ();  This. Closing + =mainwindow_closing; }        Private voidMainwindow_closing (Objectsender, System.ComponentModel.CancelEventArgs e) {            foreach(Window Winch  This. Ownedwindows) {if(w!=NULL) {w.close (); }} MessageBox.Show ("all child windows are closed for completion. "); }        Private voidButton_Click (Objectsender, RoutedEventArgs e) {             for(inti =0; I <Ten; i++) {Subwindow s=NewSubwindow ("Sub Window"+i.tostring ()); S.owner= This;            S.show (); }                 }

"2016-11-6" "persist in Learning" "Day21" "when the main window is closed, synchronize the closing of its child window"

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