// Process all the Logical and Raw Element Properties
internal override object GetElementProperty(AutomationProperty idProp)
{
if (idProp == AutomationElement.IsPasswordProperty)
{
return(_type == WindowsEditBox.EditboxType.Password);
}
else if (idProp == AutomationElement.NameProperty)
{
// Per ControlType.Edit spec if there is no static text
// label for an Edit then it must NEVER return the contents
// of the edit as the Name property. This relies on the
// default ProxyHwnd impl looking for a label for Name and
// not using WM_GETTEXT on the edit hwnd.
string name = base.GetElementProperty(idProp) as string;
if (string.IsNullOrEmpty(name))
{
// Stop UIA from asking other providers
return(AutomationElement.NotSupported);
}
return(name);
}
return(base.GetElementProperty(idProp));
}
// </Snippet103>
// <Snippet104>
///--------------------------------------------------------------------
/// <summary>
/// Gets the current property values from target.
/// </summary>
/// <param name="gridItemPattern">
/// A GridItemPattern control pattern obtained from
/// an automation element representing a target control.
/// </param>
/// <param name="automationProperty">
/// The automation property of interest.
/// </param>
/// <returns>
/// An integer object representing the requested property value.
/// </returns>
///--------------------------------------------------------------------
private object GetGridItemProperties(
GridItemPattern gridItemPattern,
AutomationProperty automationProperty)
{
if (automationProperty.Id ==
GridItemPattern.ColumnProperty.Id)
{
return(gridItemPattern.Current.Column);
}
if (automationProperty.Id ==
GridItemPattern.RowProperty.Id)
{
return(gridItemPattern.Current.Row);
}
if (automationProperty.Id ==
GridItemPattern.ColumnSpanProperty.Id)
{
return(gridItemPattern.Current.ColumnSpan);
}
if (automationProperty.Id ==
GridItemPattern.RowSpanProperty.Id)
{
return(gridItemPattern.Current.RowSpan);
}
return(null);
}
public void VerifyPrimaryCommandsAutomationSet()
{
if (PlatformConfiguration.IsOSVersionLessThan(OSVersion.Redstone2))
{
Log.Warning("Test is disabled pre-RS2 because CommandBarFlyout is not supported pre-RS2");
return;
}
using (var setup = new CommandBarFlyoutTestSetupHelper())
{
Button showCommandBarFlyoutButton = FindElement.ByName <Button>("Show CommandBarFlyout");
Log.Comment("Tap on a button to show the CommandBarFlyout.");
InputHelper.Tap(showCommandBarFlyoutButton);
Button cutButton1 = FindElement.ById <Button>("CutButton1");
var cutButtonElement = AutomationElement.FocusedElement;
Verify.AreEqual(cutButtonElement.Current.AutomationId, cutButton1.AutomationId);
int sizeOfSet = (int)cutButtonElement.GetCurrentPropertyValue(AutomationProperty.LookupById(UIA_SizeOfSetPropertyId));
int positionInSet = (int)cutButtonElement.GetCurrentPropertyValue(AutomationProperty.LookupById(UIA_PositionInSetPropertyId));
Log.Comment("Verify first primary command's SizeOfSet and PositionInSet automation properties.");
Verify.AreEqual(sizeOfSet, 7);
Verify.IsTrue(positionInSet == -1 || positionInSet == 1);
Log.Comment("Press Right key to move focus to last primary command: Underline.");
for (int i = 0; i <= 4; i++)
{
KeyboardHelper.PressKey(Key.Right);
Wait.ForIdle();
}
Button underlineButton1 = FindElement.ById <Button>("UnderlineButton1");
var underlineButtonElement = AutomationElement.FocusedElement;
Verify.AreEqual(underlineButtonElement.Current.AutomationId, underlineButton1.AutomationId);
sizeOfSet = (int)underlineButtonElement.GetCurrentPropertyValue(AutomationProperty.LookupById(UIA_SizeOfSetPropertyId));
positionInSet = (int)underlineButtonElement.GetCurrentPropertyValue(AutomationProperty.LookupById(UIA_PositionInSetPropertyId));
Log.Comment("Verify last primary command's SizeOfSet and PositionInSet automation properties.");
Verify.AreEqual(sizeOfSet, 7);
Verify.IsTrue(positionInSet == -1 || positionInSet == 6);
Log.Comment("Press Right key to move focus to MoreButton.");
KeyboardHelper.PressKey(Key.Right);
Wait.ForIdle();
Button moreButton = FindElement.ById <Button>("MoreButton");
var moreButtonElement = AutomationElement.FocusedElement;
Verify.AreEqual(moreButtonElement.Current.AutomationId, moreButton.AutomationId);
sizeOfSet = (int)moreButtonElement.GetCurrentPropertyValue(AutomationProperty.LookupById(UIA_SizeOfSetPropertyId));
positionInSet = (int)moreButtonElement.GetCurrentPropertyValue(AutomationProperty.LookupById(UIA_PositionInSetPropertyId));
Log.Comment("Verify MoreButton's SizeOfSet and PositionInSet automation properties.");
Verify.AreEqual(sizeOfSet, 7);
Verify.AreEqual(positionInSet, 7);
}
}
// See if this element has a specified property with specified value.
private static bool IsElementWithPropertyValue(AutomationElement root,
AutomationProperty property,
object value,
bool allowPartialMatch)
{
// Get the value and see if you found it.
object actualValue = root.GetCurrentPropertyValue(property);
if (value.Equals(actualValue))
{
return(true);
}
// Assume that the value is a string if allowPartialMatch is true.
if (allowPartialMatch)
{
string expectedString = value as string;
string actualString = actualValue as string;
if (actualString == null)
{
return(false);
}
Debug.Assert(expectedString != null, "value must be string when allowPartialMatch is true.");
if (actualString.ToLower().IndexOf(expectedString.ToLower()) != -1)
{
return(true);
}
}
return(false);
}
public AutomationElement GetMainWindow(AutomationProperty searchBy, object value, int timeoutSecond = 3600)
{
timeoutSecond = (this.TimeoutSecond == 0) ? timeoutSecond : this.TimeoutSecond;
var desktop = AutomationElement.RootElement;
return(GetControlTileEnable(searchBy, value, false, timeoutSecond, desktop));
}
private static void RegisterStandalonePropertyGetter(AutomationProperty automationProperty)
{
// With WPF Automation peers, retrieving UIA property value goes through these steps:
// 1. UIA request comes at ElementProxy which linked with AutomationPeer and wraps it from multithreading, COM etc
// 2. ElementProxy passes request to UI thread and directs it to AutomationPeer.GetPropertyValue(int propertyId)
// 3. AutomationPeer consults its hashtable of getters and tries to find there getter for required property. These
// getters are basically Func<AutomationPeer, object>
// 4. If getter is found - it is called like getter(this) from AutomationPeer, otherwise null returned
//
// Similarly to RegisterPattern() method, we need to add new item to
// private static Hashtable AutomationPeer.s_propertyInfo, in order to let 3rd step from above pass correctly
// Like this line
// AutomationPeer.s_propertyInfo[property.PropertyId] = new AutomationPeer.GetProperty(getter);
// where GetProperty defined in AutomationPeer as:
// private delegate object GetProperty(AutomationPeer peer);
//
// Our getter will try to cast AutomationPeer to IStandalonePropertyProvider and if successful - get result from it.
// Otherwise returns null.
var automationPeerType = typeof(AutomationPeer);
var propertyInfoHashtableField = automationPeerType.GetField("s_propertyInfo", BindingFlags.NonPublic | BindingFlags.Static);
var getterDelegateType = automationPeerType.GetNestedType("GetProperty", BindingFlags.NonPublic);
var getterObject = new StandalonePropertyGetter(automationProperty);
var getterMethodInfo = ReflectionUtils.GetMethodInfo(() => getterObject.Getter(null));
var getter = Delegate.CreateDelegate(getterDelegateType, getterObject, getterMethodInfo);
using (Dispatcher.CurrentDispatcher.DisableProcessing())
{
var propertyHashtable = (Hashtable)propertyInfoHashtableField.GetValue(null);
propertyHashtable[automationProperty.Id] = getter;
}
}
public RangeBaseAutomationPeer(RangeBase owner)
: base(owner)
{
// UIA Event RangeValuePatternIdentifiers.ValueProperty
// Raised by RangeBase.OnValuePropertyChanged()
owner.IsEnabledChanged += (o, e) => {
RaisePropertyChangedEvent(RangeValuePatternIdentifiers.IsReadOnlyProperty,
e.OldValue,
e.NewValue);
};
owner.UIAPropertyChanged += (o, e) => {
AutomationProperty property = null;
switch (e.Change)
{
case RangeBase.Change.Large:
property = RangeValuePatternIdentifiers.LargeChangeProperty;
break;
case RangeBase.Change.Small:
property = RangeValuePatternIdentifiers.SmallChangeProperty;
break;
case RangeBase.Change.Maximum:
property = RangeValuePatternIdentifiers.MaximumProperty;
break;
case RangeBase.Change.Minimum:
property = RangeValuePatternIdentifiers.MinimumProperty;
break;
}
RaisePropertyChangedEvent(property,
e.OldValue,
e.NewValue);
};
}
public static void SetCheckBoxByPreviousControl(this TestBase @this, AutomationProperty searchBy, object value, bool checkIn, AutomationElement labelRetrievedControl = null)
{
var label = @this.App.FindDescendant(searchBy, value, labelRetrievedControl);
var checkBox = @this.App.FindNextSibling(label);
ControlProvider.Transfer <AECheckBox>(checkBox).Check(checkIn);
}
public static void ClickButtonByChildElement(this TestBase @this, AutomationProperty searchBy, object value, AutomationElement retrievedControl = null)
{
var child = @this.App.FindDescendant(searchBy, value, retrievedControl);
var target = @this.App.FindParent(child);
ControlProvider.Transfer <AEButton>(target).Click();
}
public static void SelectListByPreviousControl(this TestBase @this, AutomationProperty searchBy, object value, int itemIndex, AutomationElement labelRetrievedControl = null)
{
var label = @this.App.FindDescendant(searchBy, value, labelRetrievedControl);
var comboBox = @this.App.FindNextSibling(label);
ControlProvider.Transfer <AEComboBox>(comboBox).Select(itemIndex);
}
public static void EnterTextByPreviousControl(this TestBase @this, AutomationProperty searchBy, object value, string text, AutomationElement labelRetrievedControl = null)
{
var label = @this.App.FindDescendant(searchBy, value, labelRetrievedControl);
var comboBox = @this.App.FindNextSibling(label);
ControlProvider.Transfer <AEEdit>(comboBox).Set(text);
}
/// <summary>
/// Removes a previously added property changed event handler
/// </summary>
/// <param name="hWnd">window handle</param>
/// <param name="property">the property to remove</param>
/// <param name="element">the control in the window</param>
/// <param name="eventHandler">the eveht handler to remove</param>
static public void RemoveAutomationPropertyChangedEventHandler(IntPtr hWnd,
AutomationProperty property,
AutomationElement element,
AutomationPropertyChangedEventHandler eventHandler)
{
Log.Debug();
if (hWnd == IntPtr.Zero)
{
return;
}
lock (WindowTable)
{
var windowElement = (WindowElement)WindowTable[hWnd];
if (windowElement != null)
{
var item = new RemoveAutomationPropertyChangedItem
{
Property = property,
AutoElement = element,
EventHandler = eventHandler,
WinElement = windowElement
};
RemoveAutomationPropertyChanged(item);
//windowElement.RemoveAutomationPropertyChangedEventHandler(element, property, eventHandler);
}
}
}
/// <summary>
/// Adds a property changed automation event handler
/// </summary>
/// <param name="hWnd">window handle</param>
/// <param name="property">the property to track</param>
/// <param name="element">the element in the window to track</param>
/// <param name="eventHandler">the event handler</param>
static public void AddAutomationPropertyChangedEventHandler(IntPtr hWnd,
AutomationProperty property,
AutomationElement element,
AutomationPropertyChangedEventHandler eventHandler)
{
lock (WindowTable)
{
var windowElement = (WindowElement)WindowTable[hWnd];
if (windowElement == null)
{
windowElement = new WindowElement(hWnd);
WindowTable.Add(hWnd, windowElement);
windowElement.EvtOnWindowClosed += windowElement_EvtOnWindowClosed;
}
var item = new AddAutomationPropertyChangedItem
{
Property = property,
AutoElement = element,
EventHandler = eventHandler,
WinElement = windowElement
};
AddAutomationPropertyChanged(item);
}
}
// Process all the Logical and Raw Element Properties
internal override object GetElementProperty(AutomationProperty idProp)
{
if (idProp == AutomationElement.IsControlElementProperty)
{
//
// The panes under the rebar band should not be in the control view.
//
// In IE6, the rebar band HWND tree was only one level deep:
//
// rebar / rebar band / rebar item (Toolbar32)
//
// In IE7, the HWND tree is the same but the rebar item is
// a window acting as another container, for instance:
//
// rebar / rebar band / rebar item (FavBandClass) / children (Toolbar32)
//
// Hide windows that are intermediate containers from the control view
Accessible accThis = Accessible.Wrap(this.AccessibleObject);
if ((accThis != null) && (accThis.ChildCount == 1))
{
Accessible accWind = accThis.FirstChild;
if ((accWind != null) && (accWind.Role == AccessibleRole.Window))
{
return(false);
}
}
}
// No property should be handled by the override proxy
// Overrides the ProxySimple implementation.
return(null);
}
internal ByProperty(TreeScope scope, AutomationProperty property, object value)
{
this.scope = scope;
this.infoList = new List <Info> {
new Info(property, value, ConditionType.None)
};
}
public IElement FindFirst(IElement context, LocatorStrategy strategy, string locator)
{
AutomationProperty property = this.ToAutomationProperty(strategy);
AutomationElement element = null;
switch (strategy)
{
case LocatorStrategy.Id:
case LocatorStrategy.Name:
case LocatorStrategy.ClassName:
element = context.AutomationElement.FindFirst(
TreeScope.Descendants,
new PropertyCondition(property, locator));
break;
case LocatorStrategy.TagName:
ControlType type = this.uiAutomation.FromTagName(locator);
element = context.AutomationElement.FindFirst(
TreeScope.Descendants,
new PropertyCondition(property, type));
break;
case LocatorStrategy.XPath:
element = this.uiAutomation.FindFirstByXPath(context.AutomationElement, locator);
break;
default:
throw new FailedCommandException(
string.Format("Usupported locator startegy: {0}", strategy.ToString()),
32); // InvalidSelector (32)
}
return(element == null ? null : this.elementFactory.GetElement(element));
}
/// <summary>
/// Walks the Automation Tree from the specified root, searching for the element with the given property.
/// (Stolen from HostingHelper used by DrtLaunchContainer)
/// </summary>
/// <param name="root">The root to start searching from</param>
/// <param name="property">The property to search for</param>
/// <param name="value">The possible values of above property</param>
/// <param name="maxDepth">The maximum depth to search</param>
/// <param name="allowPartialMatch">Allow partial matches (i.e. for window titles)</param>
/// <returns></returns>
public static AutomationElement FindElementWithPropertyValue(AutomationElement root,
AutomationProperty property,
object[] values,
int maxDepth,
bool allowPartialMatch)
{
AutomationElement outElement = null;
DateTime end = DateTime.Now.AddMilliseconds(Timeout);
while ((outElement == null) && (DateTime.Now < end))
{
foreach (object value in values)
{
if (FindElementWithPropertyValueImpl(root, property, value, maxDepth,
allowPartialMatch, 0 /* currentDepth */,
ref outElement))
{
break;
}
System.Threading.Thread.Sleep(Interval);
}
}
TestServices.Assert(
outElement != null, "The specified element was not found. Looking for values:", values);
return(outElement);
}
// Process all the Logical and Raw Element Properties
internal override object GetElementProperty(AutomationProperty idProp)
{
if (idProp == AutomationElement.IsControlElementProperty)
{
return(IsValidControl(_hwnd));
}
else if (idProp == AutomationElement.OrientationProperty)
{
return(IsVerticalTab() ? OrientationType.Vertical : OrientationType.Horizontal);
}
else if (idProp == ScrollPatternIdentifiers.HorizontalScrollPercentProperty)
{
return(((IScrollProvider)this).HorizontalScrollPercent);
}
else if (idProp == ScrollPatternIdentifiers.HorizontallyScrollableProperty)
{
return(((IScrollProvider)this).HorizontallyScrollable);
}
else if (idProp == ScrollPatternIdentifiers.HorizontalViewSizeProperty)
{
return(((IScrollProvider)this).HorizontalViewSize);
}
return(base.GetElementProperty(idProp));
}
private static void RaiseEventsOnWindow(IntPtr hwnd, int eventId, object idProp, int idObject, int idChild)
{
AutomationProperty automationProperty = idProp as AutomationProperty;
ProxySimple el = null;
if ((eventId == NativeMethods.EventObjectShow || eventId == NativeMethods.EventObjectHide) &&
(automationProperty != null && automationProperty == ExpandCollapsePattern.ExpandCollapseStateProperty))
{
if (Misc.IsBitSet(Misc.GetWindowStyle(hwnd), NativeMethods.LBS_COMBOBOX))
{
// List portion of combo: We'll hit it in the case when user hovers over it
NativeMethods.COMBOBOXINFO cbInfo = new NativeMethods.COMBOBOXINFO(NativeMethods.comboboxInfoSize);
if (WindowsComboBox.GetComboInfo(hwnd, ref cbInfo) && (cbInfo.hwndCombo != IntPtr.Zero))
{
WindowsComboBox cb = (WindowsComboBox)WindowsComboBox.Create(cbInfo.hwndCombo, 0);
if (!cb.IsSimpleCombo())
{
el = cb;
}
}
}
}
if (el != null)
{
el.DispatchEvents(eventId, idProp, idObject, idChild);
}
}
// Process the Scroll Properties
static internal object GetPropertyScroll(AutomationProperty idProp, IntPtr hwnd)
{
// ...handle the scroll properties...
if (idProp == ScrollPattern.HorizontalScrollPercentProperty)
{
return(Scrollable(hwnd, NativeMethods.SB_HORZ) ? GetScrollInfo(hwnd, NativeMethods.SB_HORZ) : ScrollPattern.NoScroll);
}
else if (idProp == ScrollPattern.VerticalScrollPercentProperty)
{
return(Scrollable(hwnd, NativeMethods.SB_VERT) ? GetScrollInfo(hwnd, NativeMethods.SB_VERT) : ScrollPattern.NoScroll);
}
else if (idProp == ScrollPattern.HorizontalViewSizeProperty)
{
return(Scrollable(hwnd, NativeMethods.SB_HORZ) ? ScrollViewSize(hwnd, NativeMethods.SB_HORZ) : 100.0);
}
else if (idProp == ScrollPattern.VerticalViewSizeProperty)
{
return(Scrollable(hwnd, NativeMethods.SB_VERT) ? ScrollViewSize(hwnd, NativeMethods.SB_VERT) : 100.0);
}
else if (idProp == ScrollPattern.HorizontallyScrollableProperty)
{
return(Scrollable(hwnd, NativeMethods.SB_HORZ));
}
else if (idProp == ScrollPattern.VerticallyScrollableProperty)
{
return(Scrollable(hwnd, NativeMethods.SB_VERT));
}
return(null);
}
// This function will walk the tree starting at the root and try to find
// an element that has the specified value for the specified property.
public static AutomationElement FindElementWithPropertyValue(AutomationElement root,
AutomationProperty property,
object value,
int maxDepth,
bool allowPartialMatch)
{
AutomationElement outelement = null;
for (int i = 0; i < 45; i++)
{
Output(false, "Waiting for element with {0}={1}.", property.ProgrammaticName, value);
Thread.Sleep(2000);
if (FindElementWithPropertyValueImpl(root, property, value, maxDepth,
allowPartialMatch, 0 /* currentDepth */,
ref outelement))
{
break;
}
}
if (outelement == null)
{
throw new ApplicationException(String.Format("Could not find element with {0}={1}.", property, value));
}
return(outelement);
}
internal static object WrapObjectAsProperty(AutomationProperty property, object obj)
{
PropertyTypeInfo info;
// Handle the cases that we know.
if (obj == AutomationElement.NotSupported)
{
// No-op
}
else if (obj is UIAutomationClient.IUIAutomationElement)
{
obj = AutomationElement.Wrap((UIAutomationClient.IUIAutomationElement)obj);
}
else if (obj is UIAutomationClient.IUIAutomationElementArray)
{
obj = Utility.ConvertToElementArray((UIAutomationClient.IUIAutomationElementArray)obj);
}
else if (Schema.GetPropertyTypeInfo(property, out info))
{
// Well known properties
if ((obj != null) && (info.ObjectConverter != null))
{
obj = info.ObjectConverter(obj);
}
}
return(obj);
}
// Process all the Logical and Raw Element Properties
internal override object GetElementProperty(AutomationProperty idProp)
{
// Normal Listview items do not have a concept of an AccessKey. But
// the Listview items in the Start Menu does. This information is
// in the IAccessible interface implemented by the Shell team.
if (idProp == AutomationElement.AccessKeyProperty)
{
// The IAccessible should be valid here since it is the cached value in ProxySimple.
System.Diagnostics.Debug.Assert(AccessibleObject != null, "Failed to get a valid IAccessible!");
try
{
string key = AccessibleObject.get_accKeyboardShortcut(_item + 1);
if (!string.IsNullOrEmpty(key))
{
return(ST.Get(STID.KeyAlt) + "+" + key);
}
}
catch (Exception e)
{
if (Misc.IsCriticalException(e))
{
throw;
}
}
}
else if (idProp == AutomationElement.HasKeyboardFocusProperty)
{
return(IsFocused());
}
return(base.GetElementProperty(idProp));
}
private static void RaisePropertyChangedEvent(ProxySimple el, AutomationProperty property, object propertyValue)
{
if (propertyValue != null && propertyValue != AutomationElement.NotSupported)
{
AutomationInteropProvider.RaiseAutomationPropertyChangedEvent(el, new AutomationPropertyChangedEventArgs(property, null, propertyValue));
}
}
public AutomationProperty[] GetSupportedProperties()
{
return((from propertyId in allPropertyIds
let val = provider.GetPropertyValue(propertyId)
where val != null && val != AEIds.NotSupported
select AutomationProperty.LookupById(propertyId)).ToArray());
}
// Process all the Element Properties
internal override object GetElementProperty(AutomationProperty idProp)
{
if (idProp == AutomationElement.IsOffscreenProperty)
{
Rect parentRect = GetParent().BoundingRectangle;
NativeMethods.Win32Rect itemRect = ListViewCheckBoxRect(_hwnd, _listviewItem);
if (itemRect.IsEmpty || parentRect.IsEmpty)
{
return(true);
}
if (Misc.MapWindowPoints(_hwnd, IntPtr.Zero, ref itemRect, 2) && !Misc.IsItemVisible(ref parentRect, ref itemRect))
{
return(true);
}
}
// EventManager.DispatchEvent() genericaly uses GetElementProperty()
// to get properties during a property change event. Proccess ToggleStateProperty
// so the ToggleStateProperty Change Event can get the correct state.
else if (idProp == TogglePattern.ToggleStateProperty)
{
return(((IToggleProvider)this).ToggleState);
}
return(base.GetElementProperty(idProp));
}
public static IEnumerable <Condition> CreateConditionPathForPropertyValues(AutomationProperty property,
IEnumerable <object> values)
{
IEnumerable <PropertyCondition> conditions = values.Select(value => new PropertyCondition(property, value));
return(conditions.Cast <Condition>());
}
protected void TestProperty(AutomationElement element,
AutomationProperty property,
object expectedValue)
{
Assert.AreEqual(expectedValue,
element.GetCurrentPropertyValue(property),
property.ProgrammaticName);
}
public bool SupportsProperty(AutomationProperty property)
{
ArgumentCheck.NotNull(property, "property");
object val = provider.GetPropertyValue(property.Id);
return(val != null && val != AEIds.NotSupported);
}
public static void TestAutomationProperty(IRawElementProviderSimple provider,
AutomationProperty property,
object expectedValue)
{
Assert.AreEqual(expectedValue,
provider.GetPropertyValue(property.Id),
property.ProgrammaticName);
}
internal IAutomationCacheProperty GetCachedProperty (AutomationProperty property)
{
CacheMainProperties ();
return (from p in cacheProperties where p.Property == property select p).FirstOrDefault();
}
public void RaisePropertyChangedEvent (AutomationProperty property, object oldValue, object newValue)
{
AutomationSingleton.Instance.RaisePropertyChangedEvent (this, property, oldValue, newValue);
}
public void RaisePropertyChangedEvent(AutomationProperty property, object oldValue, object newValue)
{
// Only send the event if there are listeners for this property change
if (AutomationInteropProvider.ClientsAreListening)
{
RaisePropertyChangedInternal(ProviderFromPeer(this), property,oldValue,newValue);
}
}
// internal handling of structure chanegd events
private void RaisePropertyChangedInternal(IRawElementProviderSimple provider,
AutomationProperty propertyId,
object oldValue,
object newValue)
{
// Callers have only checked if automation clients are present so filter for any interest in this particular event.
if ( provider != null
&& EventMap.HasRegisteredEvent(AutomationEvents.PropertyChanged) )
{
AutomationPropertyChangedEventArgs e = new AutomationPropertyChangedEventArgs(propertyId, oldValue, newValue);
AutomationInteropProvider.RaiseAutomationPropertyChangedEvent(provider, e);
}
}
private void SetAutomationEvents (IScrollProvider provider,
ScrollBar scrollbar,
Func<bool> scrollableDelegate,
Func<Visibility> computedVisibilityDelegate,
Func<double> scrollPercentDelegate,
Func<double> viewSizeDelegate,
AutomationProperty scrollPercentProperty,
AutomationProperty scrollableProperty,
AutomationProperty viewSizeProperty,
AutomationOrientation orientation)
{
CachedProperty cachedProperty;
if (orientation == AutomationOrientation.Horizontal)
cachedProperty = hCachedProperty;
else
cachedProperty = vCachedProperty;
cachedProperty.Scrollable = scrollableDelegate ();
cachedProperty.Visible = computedVisibilityDelegate () == Visibility.Visible;
cachedProperty.ScrollPercent = scrollPercentDelegate ();
cachedProperty.ViewSize = viewSizeDelegate ();
cachedProperty.ScrollPercentProperty = scrollPercentProperty;
cachedProperty.ScrollableProperty = scrollableProperty;
cachedProperty.ViewSizeProperty = viewSizeProperty;
cachedProperty.Orientation = orientation;
cachedProperty.ScrollBar = scrollbar;
cachedProperty.ScrollPercentDelegate = scrollPercentDelegate;
cachedProperty.ScrollableDelegate = scrollableDelegate;
scrollViewer.UIAVisibilityChanged += (o, e) => {
if (cachedProperty.Orientation != e.Orientation) {
RaiseStructureChanged (cachedProperty, computedVisibilityDelegate);
RaiseScrollableProperty (cachedProperty, scrollableDelegate);
RaiseViewSizeProperty (cachedProperty, viewSizeDelegate);
RaiseScrollPercentProperty (cachedProperty, scrollPercentDelegate);
}
};
scrollViewer.UIAViewportChanged += (o, e) => {
if (cachedProperty.Orientation == AutomationOrientation.Horizontal)
RaiseViewSizeProperty (cachedProperty,
viewSizeDelegate,
provider.HorizontalViewSize);
else
RaiseViewSizeProperty (cachedProperty,
viewSizeDelegate,
provider.VerticalViewSize);
};
scrollViewer.SizeChanged += (o, e) => {
RaiseViewSizeProperty (cachedProperty, viewSizeDelegate);
};
scrollViewer.UIAOffsetChanged += (o, e) => {
if (e.Orientation == cachedProperty.Orientation)
RaiseScrollPercentProperty (cachedProperty, scrollPercentDelegate);
};
scrollViewer.UIAScrollBarSet += (o, e) => {
if (e.Orientation == cachedProperty.Orientation) {
if (cachedProperty.ScrollBar != null) {
cachedProperty.ScrollBar.IsEnabledChanged -= ScrollBar_IsEnabledChanged;
cachedProperty.ScrollBar.ValueChanged -= ScrollBar_ValueChanged;
}
cachedProperty.ScrollBar = e.NewValue;
if (cachedProperty.ScrollBar != null) {
cachedProperty.ScrollBar.IsEnabledChanged += ScrollBar_IsEnabledChanged;
cachedProperty.ScrollBar.ValueChanged += ScrollBar_ValueChanged;
}
SetScrollBarAutomationPeer (cachedProperty.ScrollBar, cachedProperty.Orientation);
}
};
if (cachedProperty.ScrollBar != null) {
cachedProperty.ScrollBar.IsEnabledChanged += ScrollBar_IsEnabledChanged;
cachedProperty.ScrollBar.ValueChanged += ScrollBar_ValueChanged;
}
SetScrollBarAutomationPeer (cachedProperty.ScrollBar, cachedProperty.Orientation);
}
