public static AutomationElement FromIAccessible(Accessibility.IAccessible acc, int childId)
{
Utility.ValidateArgumentNonNull(acc, "acc");
try
{
UIAutomationClient.IUIAutomationElement element =
Automation.Factory.ElementFromIAccessibleBuildCache(
(UIAutomationClient.IAccessible)acc,
childId,
CacheRequest.CurrentNativeCacheRequest);
return(AutomationElement.Wrap(element));
}
catch (System.Runtime.InteropServices.COMException e)
{
Exception newEx; if (Utility.ConvertException(e, out newEx))
{
throw newEx;
}
else
{
throw;
}
}
}
void UIAutomationClient.IUIAutomationFocusChangedEventHandler.HandleFocusChangedEvent(
UIAutomationClient.IUIAutomationElement sender)
{
// Can't set the arguments -- they come from a WinEvent handler.
AutomationFocusChangedEventArgs args = new AutomationFocusChangedEventArgs(0, 0);
_focusHandler(AutomationElement.Wrap(sender), args);
}
void UIAutomationClient.IUIAutomationPropertyChangedEventHandler.HandlePropertyChangedEvent(
UIAutomationClient.IUIAutomationElement sender,
int propertyId,
object newValue)
{
AutomationProperty property = AutomationProperty.LookupById(propertyId);
object wrappedObj = Utility.WrapObjectAsProperty(property, newValue);
AutomationPropertyChangedEventArgs args = new AutomationPropertyChangedEventArgs(
property,
null,
wrappedObj);
this._propChangeHandler(AutomationElement.Wrap(sender), args);
}
void UIAutomationClient.IUIAutomationEventHandler.HandleAutomationEvent(
UIAutomationClient.IUIAutomationElement sender, int eventId)
{
AutomationEventArgs args;
if (eventId != WindowPatternIdentifiers.WindowClosedEvent.Id)
{
args = new AutomationEventArgs(AutomationEvent.LookupById(eventId));
}
else
{
args = new WindowClosedEventArgs((int[])sender.GetRuntimeId());
}
_basicHandler(AutomationElement.Wrap(sender), args);
}
public static AutomationElement FromHandle(IntPtr hwnd)
{
Utility.ValidateArgument(hwnd != IntPtr.Zero, "Hwnd cannot be null");
try
{
UIAutomationClient.IUIAutomationElement element =
Automation.Factory.ElementFromHandleBuildCache(hwnd, CacheRequest.CurrentNativeCacheRequest);
return(AutomationElement.Wrap(element));
}
catch (System.Runtime.InteropServices.COMException e)
{
Exception newEx; if (Utility.ConvertException(e, out newEx))
{
throw newEx;
}
else
{
throw;
}
}
}
public static AutomationElement FromPoint(Point pt)
{
try
{
UIAutomationClient.IUIAutomationElement element =
Automation.Factory.ElementFromPointBuildCache(
Utility.PointManagedToNative(pt),
CacheRequest.CurrentNativeCacheRequest);
return(AutomationElement.Wrap(element));
}
catch (System.Runtime.InteropServices.COMException e)
{
Exception newEx; if (Utility.ConvertException(e, out newEx))
{
throw newEx;
}
else
{
throw;
}
}
}
public AutomationElement FindFirst(TreeScope scope, Condition condition)
{
Utility.ValidateArgumentNonNull(condition, "condition");
try
{
UIAutomationClient.IUIAutomationElement elem =
this._obj.FindFirstBuildCache(
(UIAutomationClient.TreeScope)scope,
condition.NativeCondition,
CacheRequest.CurrentNativeCacheRequest);
return(AutomationElement.Wrap(elem));
}
catch (System.Runtime.InteropServices.COMException e)
{
Exception newEx; if (Utility.ConvertException(e, out newEx))
{
throw newEx;
}
else
{
throw;
}
}
}
internal AutomationElement(UIAutomationClient.IUIAutomationElement obj)
{
Debug.Assert(obj != null);
this._obj = obj;
}
void UIAutomationClient.IUIAutomationStructureChangedEventHandler.HandleStructureChangedEvent(UIAutomationClient.IUIAutomationElement sender, UIAutomationClient.StructureChangeType changeType, Array runtimeId)
{
StructureChangedEventArgs args = new StructureChangedEventArgs(
(StructureChangeType)changeType,
(int[])runtimeId);
this._structureChangeHandler(AutomationElement.Wrap(sender), args);
}
internal static AutomationElement Wrap(UIAutomationClient.IUIAutomationElement obj)
{
return((obj == null) ? null : new AutomationElement(obj));
}
internal AutomationElement(UIAutomationClient.IUIAutomationElement obj)
{
Debug.Assert(obj != null);
this._obj = obj;
}
