public SomeButton_Click(object sender, RoutedEventArgs e) { var dialog = new DB_conn_win(); if (dialog.ShowDialog() == true) { this.DB_query = dialog.Query; } }
void Window_Loaded(object sender, RoutedEventArgs e) { DB_conn_win dialog = new DB_conn_win(); dialog.Owner = this; dialog.ShowDialog(); if (dialog.DialogResult != null && dialog.DialogResult.Value) { DB_Query = dialog.query; } }