/// <summary>
/// Helper for setting HeadingLevel property on a DependencyObject.
/// </summary>
public static void SetHeadingLevel(DependencyObject element, AutomationHeadingLevel value)
{
if (element == null)
{
throw new ArgumentNullException(nameof(element));
}
element.SetValue(HeadingLevelProperty, value);
}
///
override protected AutomationHeadingLevel GetHeadingLevelCore()
{
AutomationPeer wrapperPeer = GetWrapperPeer();
AutomationHeadingLevel headingLevel = AutomationHeadingLevel.None;
if (wrapperPeer != null)
{
headingLevel = wrapperPeer.GetHeadingLevel();
}
else
{
ThrowElementNotAvailableException();
}
return(headingLevel);
}
//------------------------------------------------------
//
// Private Methods
//
//------------------------------------------------------
#region Private Methods
void Init(AutomationProperty property, object val, PropertyConditionFlags flags)
{
Misc.ValidateArgumentNonNull(property, "property");
AutomationPropertyInfo info;
if (!Schema.GetPropertyInfo(property, out info))
{
throw new ArgumentException(SR.Get(SRID.UnsupportedProperty));
}
// Check type is appropriate: NotSupported is allowed against any property,
// null is allowed for any reference type (ie not for value types), otherwise
// type must be assignable from expected type.
Type expectedType = info.Type;
if (val != AutomationElement.NotSupported &&
((val == null && expectedType.IsValueType) ||
(val != null && !expectedType.IsAssignableFrom(val.GetType()))))
{
throw new ArgumentException(SR.Get(SRID.PropertyConditionIncorrectType, property.ProgrammaticName, expectedType.Name));
}
if ((flags & PropertyConditionFlags.IgnoreCase) != 0)
{
Misc.ValidateArgument(val is string, SRID.IgnoreCaseRequiresString);
}
// Some types are handled differently in managed vs unmanaged - handle those here...
if (val is AutomationElement)
{
// If this is a comparison against a Raw/LogicalElement,
// save the runtime ID instead of the element so that we
// can take it cross-proc if needed.
val = ((AutomationElement)val).GetRuntimeId();
}
else if (val is ControlType)
{
// If this is a control type, use the ID, not the CLR object
val = ((ControlType)val).Id;
}
else if (val is Rect)
{
Rect rc = (Rect)val;
val = new double[] { rc.Left, rc.Top, rc.Width, rc.Height };
}
else if (val is Point)
{
Point pt = (Point)val;
val = new double[] { pt.X, pt.Y };
}
else if (val is CultureInfo)
{
val = ((CultureInfo)val).LCID;
}
else if (val is AutomationHeadingLevel)
{
AutomationHeadingLevel automationHeadingLevel = (AutomationHeadingLevel)(val);
switch (automationHeadingLevel)
{
case AutomationHeadingLevel.None:
val = HeadingLevel.None;
break;
case AutomationHeadingLevel.Level1:
val = HeadingLevel.Level1;
break;
case AutomationHeadingLevel.Level2:
val = HeadingLevel.Level2;
break;
case AutomationHeadingLevel.Level3:
val = HeadingLevel.Level3;
break;
case AutomationHeadingLevel.Level4:
val = HeadingLevel.Level4;
break;
case AutomationHeadingLevel.Level5:
val = HeadingLevel.Level5;
break;
case AutomationHeadingLevel.Level6:
val = HeadingLevel.Level6;
break;
case AutomationHeadingLevel.Level7:
val = HeadingLevel.Level7;
break;
case AutomationHeadingLevel.Level8:
val = HeadingLevel.Level8;
break;
case AutomationHeadingLevel.Level9:
val = HeadingLevel.Level9;
break;
default:
val = HeadingLevel.None;
break;
}
}
_property = property;
_val = val;
_flags = flags;
SetMarshalData(new UiaCoreApi.UiaPropertyCondition(_property.Id, _val, _flags));
}
