/// <summary>
/// Dependency property event once the MdiChild's Buttons property has changed.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="System.Windows.DependencyPropertyChangedEventArgs"/> instance containing the event data.</param>
private static void ButtonsValueChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
MdiContainer mdiContainer = (MdiContainer)sender;
Panel panel = (Panel)e.NewValue;
mdiContainer._buttons.Child = panel;
mdiContainer.MdiChildTitleChanged(mdiContainer, new RoutedEventArgs());
}
/// <summary>
/// Dependency property event once the focused mdi child has changed.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="System.Windows.DependencyPropertyChangedEventArgs"/> instance containing the event data.</param>
private static void ActiveMdiChildValueChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
MdiContainer mdiContainer = (MdiContainer)sender;
MdiChild newChild = (MdiChild)e.NewValue,
oldChild = (MdiChild)e.OldValue;
if (newChild == null || newChild == oldChild)
{
return;
}
if (oldChild != null && oldChild.WindowState == WindowState.Maximized)
{
newChild.WindowState = WindowState.Maximized;
}
int maxZindex = 0;
for (int i = 0; i < mdiContainer.Children.Count; i++)
{
int zindex = Panel.GetZIndex(mdiContainer.Children[i]);
if (zindex > maxZindex)
{
maxZindex = zindex;
}
if (mdiContainer.Children[i] != newChild)
{
mdiContainer.Children[i].Focused = false;
}
else
{
newChild.Focused = true;
}
}
Panel.SetZIndex(newChild, maxZindex + 1);
if (mdiContainer.MdiChildTitleChanged != null)
{
mdiContainer.MdiChildTitleChanged(mdiContainer, new RoutedEventArgs());
}
}