private void loaded(object sender, RoutedEventArgs e)
{
double w_width = this.Width;
double w_height = this.Height;
this.Left = PosUtil.GetAbsolutePlacement(this.Owner, true).Left + w_width / 2;
this.Top = PosUtil.GetAbsolutePlacement(this.Owner, true).Top - w_height;
}
private void showMenus(object sender, MouseButtonEventArgs e)
{
DockPanel panel = (DockPanel)sender;
double p_width = panel.Width;
double p_height = panel.Height;
Menus menus = new Menus();
menus.WindowStartupLocation = WindowStartupLocation.Manual;
menus.Left = PosUtil.GetAbsolutePlacement(panel, true).Left + p_width / 2 - menus.Width / 2;
menus.Top = PosUtil.GetAbsolutePlacement(panel, true).Top + p_height / 2 - menus.Height / 2;
this.Opacity = 0.8;
menus.ShowDialog();
this.Opacity = 1;
}