我想存一些关于开放MdiChild的数据, 以便在应用程序重新启动时恢复它们。
但MdiChild财产似乎在申请出境事件上空空如也。
当用户关闭主窗口时, 我该听哪个事件才能获取打开的 MdiChild 列表?
尝试跟随代码。 它对我有用。 您可以在“ 如果检查任何儿童窗口是否可见 ot ” 中添加额外的登录 。 如果不是, 那么不要问任何问题 。
private void MDIParent1_FormClosing(object sender,
FormClosingEventArgs e)
{
if (MessageBox.Show("Close?",
AppDomain.CurrentDomain.ToString(), MessageBoxButtons.YesNo) ==
DialogResult.No)
{
e.Cancel = true;
}
}
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