private static void OnIsExpandedChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
Expander ep = (Expander)d;
bool newValue = (bool)e.NewValue;
// Fire accessibility event
ExpanderAutomationPeer peer = UIElementAutomationPeer.FromElement(ep) as ExpanderAutomationPeer;
if (peer != null)
{
peer.RaiseExpandCollapseAutomationEvent(!newValue, newValue);
}
if (newValue)
{
ep.OnExpanded();
}
else
{
ep.OnCollapsed();
}
ep.UpdateVisualState();
}
public virtual void ExpanderPeerOnlySupportsExpandCollapse()
{
Expander item = new Expander();
ExpanderAutomationPeer peer = null;
TestAsync(
item,
() => peer = FrameworkElementAutomationPeer.CreatePeerForElement(item) as ExpanderAutomationPeer,
() => Assert.IsNull(peer.GetPattern(PatternInterface.Dock), "ExpanderAutomationPeer should not support the Dock pattern!"),
() => Assert.IsNotNull(peer.GetPattern(PatternInterface.ExpandCollapse), "ExpanderAutomationPeer should support the ExpandCollapse pattern!"),
() => Assert.IsNull(peer.GetPattern(PatternInterface.Grid), "ExpanderAutomationPeer should not support the Grid pattern!"),
() => Assert.IsNull(peer.GetPattern(PatternInterface.GridItem), "ExpanderAutomationPeer should not support the GridItem pattern!"),
() => Assert.IsNull(peer.GetPattern(PatternInterface.Invoke), "ExpanderAutomationPeer should not support the Dock pattern!"),
() => Assert.IsNull(peer.GetPattern(PatternInterface.MultipleView), "ExpanderAutomationPeer should not support the MultipleView pattern!"),
() => Assert.IsNull(peer.GetPattern(PatternInterface.RangeValue), "ExpanderAutomationPeer should not support the RangeValue pattern!"),
() => Assert.IsNull(peer.GetPattern(PatternInterface.Scroll), "ExpanderAutomationPeer should not support the Scroll pattern!"),
() => Assert.IsNull(peer.GetPattern(PatternInterface.ScrollItem), "ExpanderAutomationPeer should not support the ScrollItem pattern!"),
() => Assert.IsNull(peer.GetPattern(PatternInterface.Selection), "ExpanderAutomationPeer should not support the Selection pattern!"),
() => Assert.IsNull(peer.GetPattern(PatternInterface.Table), "ExpanderAutomationPeer should not support the Table pattern!"),
() => Assert.IsNull(peer.GetPattern(PatternInterface.TableItem), "ExpanderAutomationPeer should not support the TableItem pattern!"),
() => Assert.IsNull(peer.GetPattern(PatternInterface.Toggle), "ExpanderAutomationPeer should not support the Toggle pattern!"),
() => Assert.IsNull(peer.GetPattern(PatternInterface.Transform), "ExpanderAutomationPeer should not support the Transform pattern!"),
() => Assert.IsNull(peer.GetPattern(PatternInterface.Value), "ExpanderAutomationPeer should not support the Value pattern!"),
() => Assert.IsNull(peer.GetPattern(PatternInterface.Window), "ExpanderAutomationPeer should not support the Window pattern!"));
}
public void VerifyExpandAndCollapseWorkCorrectly()
{
var presenter = (UniversalPlatformContractPresenter)ControlsTestPage.Instance.FindName("TestContractPresenter");
var expander = (Expander)presenter.FindName("RootExpander");
var expanderPeer = new ExpanderAutomationPeer(expander);
Assert.IsNotNull(expander.Header);
Assert.IsNotNull(expander.Content);
Assert.AreEqual(expanderPeer.ExpandCollapseState, Windows.UI.Xaml.Automation.ExpandCollapseState.Collapsed);
}
public virtual void ExpanderAutomationPeerTypeAndClass()
{
Expander item = new Expander();
ExpanderAutomationPeer peer = null;
TestAsync(
item,
() => peer = FrameworkElementAutomationPeer.CreatePeerForElement(item) as ExpanderAutomationPeer,
() => Assert.AreEqual(AutomationControlType.Group, peer.GetAutomationControlType(), "Unexpected AutomationControlType!"),
() => Assert.AreEqual("Expander", peer.GetClassName(), "Unexpected ClassType!"));
}
public virtual void ExpanderCreatesAutomationPeer()
{
Expander item = new Expander();
ExpanderAutomationPeer peer = null;
TestAsync(
item,
() => peer = FrameworkElementAutomationPeer.CreatePeerForElement(item) as ExpanderAutomationPeer,
() => Assert.IsNotNull(peer, "Expander peer should not be null!"),
() => Assert.AreEqual(item, peer.Owner, "Expander should be owner of the peer!"));
}
public virtual void ExpanderPeerExpandStateCollapsed()
{
Expander item = new Expander();
ExpanderAutomationPeer peer = null;
IExpandCollapseProvider provider = null;
TestAsync(
item,
() => peer = FrameworkElementAutomationPeer.CreatePeerForElement(item) as ExpanderAutomationPeer,
() => provider = peer.GetPattern(PatternInterface.ExpandCollapse) as IExpandCollapseProvider,
() => Assert.AreEqual(ExpandCollapseState.Collapsed, provider.ExpandCollapseState, "Unexpected ExpandCollapseState!"));
}
public virtual void ExpanderPeerSupportsExpandCollapse()
{
Expander item = new Expander();
ExpanderAutomationPeer peer = null;
IExpandCollapseProvider provider = null;
TestAsync(
item,
() => peer = FrameworkElementAutomationPeer.CreatePeerForElement(item) as ExpanderAutomationPeer,
() => provider = peer.GetPattern(PatternInterface.ExpandCollapse) as IExpandCollapseProvider,
() => Assert.IsNotNull(provider, "IExpandCollapseProvider peer should not be null!"));
}
public virtual void ExpanderPeerCollapseCollapsed()
{
Expander item = new Expander();
ExpanderAutomationPeer peer = null;
IExpandCollapseProvider provider = null;
TestAsync(
item,
() => peer = FrameworkElementAutomationPeer.CreatePeerForElement(item) as ExpanderAutomationPeer,
() => provider = peer.GetPattern(PatternInterface.ExpandCollapse) as IExpandCollapseProvider,
() => provider.Collapse(),
() => Assert.IsFalse(item.IsExpanded, "Item should be collapsed!"));
}
public virtual void ExpanderPeerCollapseDisabled()
{
Expander item = new Expander {
IsEnabled = false
};
ExpanderAutomationPeer peer = null;
IExpandCollapseProvider provider = null;
TestAsync(
item,
() => peer = FrameworkElementAutomationPeer.CreatePeerForElement(item) as ExpanderAutomationPeer,
() => provider = peer.GetPattern(PatternInterface.ExpandCollapse) as IExpandCollapseProvider,
() => provider.Collapse());
}
// Token: 0x06004B06 RID: 19206 RVA: 0x001524E0 File Offset: 0x001506E0
private static void OnIsExpandedChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
Expander expander = (Expander)d;
bool flag = (bool)e.NewValue;
ExpanderAutomationPeer expanderAutomationPeer = UIElementAutomationPeer.FromElement(expander) as ExpanderAutomationPeer;
if (expanderAutomationPeer != null)
{
expanderAutomationPeer.RaiseExpandCollapseAutomationEvent(!flag, flag);
}
if (flag)
{
expander.OnExpanded();
}
else
{
expander.OnCollapsed();
}
expander.UpdateVisualState();
}
/// <summary>
/// ExpandedProperty PropertyChangedCallback static function.
/// </summary>
/// <param name="d">Expander object whose Expanded property is changed.</param>
/// <param name="e">DependencyPropertyChangedEventArgs which contains the old and new values.</param>
private static void OnIsExpandedPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
Expander ctrl = (Expander)d;
bool isExpanded = (bool)e.NewValue;
// Notify any automation peers of the expansion change
ExpanderAutomationPeer peer = FrameworkElementAutomationPeer.FromElement(ctrl) as ExpanderAutomationPeer;
if (peer != null)
{
peer.RaiseExpandCollapseAutomationEvent((bool)e.OldValue, isExpanded);
}
if (isExpanded)
{
ctrl.OnExpanded();
}
else
{
ctrl.OnCollapsed();
}
}
private void ButtonBase_OnClick(object sender, RoutedEventArgs e)
{
var expanderControl = new ExpanderAutomationPeer(ExpanderControl);
expanderControl.Expand();
}
