// Process all the Logical and Raw Element Properties
internal override object GetElementProperty(AutomationProperty idProp)
{
if (idProp == AutomationElement.IsOffscreenProperty)
{
Rect parentRect = GetParent().GetParent().BoundingRectangle;
Rect itemRect = BoundingRectangle;
if (itemRect.IsEmpty || parentRect.IsEmpty)
{
return(true);
}
// Need to check if this item is visible on the whole control not just its immediate parent.
if (!Misc.IsItemVisible(ref parentRect, ref itemRect))
{
return(true);
}
}
else if (idProp == AutomationElement.HasKeyboardFocusProperty)
{
IAccessible acc = AccessibleObject;
// The items are zero based, i.e. the first listview item is item 0. The
// zero item in MSAA is self, so need to add one to the item to get the
// correct Accessible child.
AccessibleRole role = Accessible.GetRole(acc, _itemParent + 1);
// ListView Iaccessible knows when its really a menu item
if (role == AccessibleRole.MenuItem)
{
// Use the IsFocused of the Subitem instead the the one in ProxySimple
// When ListViews are used for menus they don't get focus
// so the check for "does this hwnd have focus" fails
return(IsFocused());
}
// If we are in a SysListView32 and that list view is in the Start Menu search column
// real focus can stay on the edit box, while a virtual focus navigates the list
// If this is the case, only check IsFocused, don't do the GetGUIThreadInfo check.
IntPtr ancestor = _hwnd;
IntPtr desktop = UnsafeNativeMethods.GetDesktopWindow();
while (ancestor != IntPtr.Zero && ancestor != desktop)
{
if (Misc.GetClassName(ancestor) == "Desktop Search Open View")
{
return(IsFocused());
}
ancestor = Misc.GetParent(ancestor);
}
}
return(base.GetElementProperty(idProp));
}
// ------------------------------------------------------
//
// Constructors
//
//------------------------------------------------------
#region Constructors
internal ListViewItemStartMenu(IntPtr hwnd, ProxyFragment parent, int item, IAccessible acc)
: base(hwnd, parent, item)
{
// The items are zero based, i.e. the first listview item is item 0. The
// zero item in MSAA is self, so need to add one to the item to get the
// correct Accessible child.
AccessibleRole role = Accessible.GetRole(acc, item + 1);
// Normal Listview items should be of control type listitem. But
// the Listview items in the Start Menu act like menuitems. Get the Role
// from IAccessible interface implemented by the Shell team and set the
// control type.
if (role == AccessibleRole.MenuItem)
{
_cControlType = ControlType.MenuItem;
}
else
{
System.Diagnostics.Debug.Assert(false, "The listview item on the Start Menu has an unexpected IAccessible role!");
}
}