Class CloseEvent

Example

    // CloseEvent is delivered via Widget.onClose when a window or dialog
    // is about to close. Use accept() to allow closing or ignore() to prevent it.
    const gui = this.pluginSystem.findInterface(IGui.interfaceId) as IGui;
    const dialog = gui.createDialog();
    dialog.windowTitle = 'CloseEvent Demo';
    dialog.resize(300, 100);

    this.connections.push(
      dialog.onClose.connect((event: CloseEvent) => {
        // Prevent the first close attempt
        event.ignore();
        console.log('Close rejected via CloseEvent.ignore()');
      })
    );
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