// Token: 0x06004A85 RID: 19077 RVA: 0x001500D8 File Offset: 0x0014E2D8
private static void OnDockChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
UIElement uielement = d as UIElement;
if (uielement != null)
{
DockPanel dockPanel = VisualTreeHelper.GetParent(uielement) as DockPanel;
if (dockPanel != null)
{
dockPanel.InvalidateMeasure();
}
}
}
private static void OnDockChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
UIElement uie = d as UIElement; //it may be anyting, like FlowDocument...
if (uie != null)
{
DockPanel p = VisualTreeHelper.GetParent(uie) as DockPanel;
if (p != null)
{
p.InvalidateMeasure();
}
}
}
public void DockPanelLayoutTest()
{
DockPanel panel = new DockPanel();
panel.InvalidateMeasure();
FrameworkElement child1 = new FrameworkElement { Width = 100 };
FrameworkElement child2 = new FrameworkElement { Height = 100 };
FrameworkElement child3 = new FrameworkElement { Width = 100 };
FrameworkElement child4 = new FrameworkElement { Height = 100 };
FrameworkElement child5 = new FrameworkElement();
panel.Children.Add(child1);
panel.Children.Add(child2);
panel.Children.Add(child3);
panel.Children.Add(child4);
panel.Children.Add(child5);
DockPanel.SetDock(child1, Dock.Left);
DockPanel.SetDock(child2, Dock.Top);
DockPanel.SetDock(child3, Dock.Right);
DockPanel.SetDock(child4, Dock.Bottom);
panel.Measure(new Size(1000, 1000));
Assert.AreEqual(new Size(200, 200), panel.DesiredSize);
panel.Arrange(new Rect(1000, 1000));
Assert.AreEqual(new Size(1000, 1000), panel.VisualSize);
Assert.AreEqual(new Size(100, 1000), child1.VisualSize);
Assert.AreEqual(new Size(900, 100), child2.VisualSize);
Assert.AreEqual(new Size(100, 900), child3.VisualSize);
Assert.AreEqual(new Size(800, 100), child4.VisualSize);
Assert.AreEqual(new Size(800, 800), child5.VisualSize);
Assert.AreEqual(new Point(0, 0), child1.VisualOffset);
Assert.AreEqual(new Point(100, 0), child2.VisualOffset);
Assert.AreEqual(new Point(900, 100), child3.VisualOffset);
Assert.AreEqual(new Point(100, 900), child4.VisualOffset);
Assert.AreEqual(new Point(100, 100), child5.VisualOffset);
}
private static void OnDockPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
// Ignore the change if requested
if (_ignorePropertyChange)
{
_ignorePropertyChange = false;
return;
}
UIElement element = (UIElement)d;
Dock value = (Dock)e.NewValue;
// Validate the Dock property
if ((value != Dock.Left) &&
(value != Dock.Top) &&
(value != Dock.Right) &&
(value != Dock.Bottom))
{
// Reset the property to its original state before throwing
_ignorePropertyChange = true;
element.SetValue(DockProperty, (Dock)e.OldValue);
string message = string.Format(
CultureInfo.InvariantCulture,
"InvalidValue",
value);
throw new ArgumentException(message, "value");
}
// Cause the DockPanel to update its layout when a child changes
DockPanel panel = VisualTreeHelper.GetParent(element) as DockPanel;
if (panel != null)
{
panel.InvalidateMeasure();
}
}
