public TextPatternRange FindAttribute(AutomationTextAttribute attribute, object value, bool backward)
{
Utility.ValidateArgumentNonNull(attribute, "attribute");
Utility.ValidateArgumentNonNull(value, "value");
if ((attribute == TextPattern.CultureAttribute) && (value is CultureInfo))
{
value = ((CultureInfo)value).LCID;
}
try
{
return(TextPatternRange.Wrap(
this._range.FindAttribute(attribute.Id, value, Utility.ConvertToInt(backward)), this._pattern));
}
catch (System.Runtime.InteropServices.COMException e)
{
Exception newEx; if (Utility.ConvertException(e, out newEx))
{
throw newEx;
}
else
{
throw;
}
}
}
internal static TextPatternRange[] Wrap(UIAutomationClient.IUIAutomationTextRangeArray ranges, TextPattern pattern)
{
if (ranges == null)
{
return(null);
}
TextPatternRange[] rangeArray = new TextPatternRange[ranges.Length];
for (int i = 0; i < ranges.Length; i++)
{
rangeArray[i] = new TextPatternRange(ranges.GetElement(i), pattern);
}
return(rangeArray);
}
public TextPatternRange[] GetVisibleRanges()
{
try
{
return(TextPatternRange.Wrap(this._pattern.GetVisibleRanges(), this));
}
catch (System.Runtime.InteropServices.COMException e)
{
Exception newEx; if (Utility.ConvertException(e, out newEx))
{
throw newEx;
}
else
{
throw;
}
}
}
public TextPatternRange RangeFromPoint(Point screenLocation)
{
try
{
return(TextPatternRange.Wrap(this._pattern.RangeFromPoint(Utility.PointManagedToNative(screenLocation)), this));
}
catch (System.Runtime.InteropServices.COMException e)
{
Exception newEx; if (Utility.ConvertException(e, out newEx))
{
throw newEx;
}
else
{
throw;
}
}
}
public bool Compare(TextPatternRange range)
{
try
{
return(0 != this._range.Compare(range.NativeRange));
}
catch (System.Runtime.InteropServices.COMException e)
{
Exception newEx; if (Utility.ConvertException(e, out newEx))
{
throw newEx;
}
else
{
throw;
}
}
}
public TextPatternRange RangeFromAnnotation(AutomationElement annotation)
{
Utility.ValidateArgumentNonNull(annotation, "annotation");
try
{
return(TextPatternRange.Wrap(this._pattern.RangeFromAnnotation(annotation.NativeElement), this));
}
catch (System.Runtime.InteropServices.COMException e)
{
Exception newEx; if (Utility.ConvertException(e, out newEx))
{
throw newEx;
}
else
{
throw;
}
}
}
public TextPatternRange FindText(string text, bool backward, bool ignoreCase)
{
try
{
return(TextPatternRange.Wrap(
this._range.FindText(text, Utility.ConvertToInt(backward), Utility.ConvertToInt(ignoreCase)), this._pattern));
}
catch (System.Runtime.InteropServices.COMException e)
{
Exception newEx; if (Utility.ConvertException(e, out newEx))
{
throw newEx;
}
else
{
throw;
}
}
}
public int CompareEndpoints(TextPatternRangeEndpoint endpoint, TextPatternRange targetRange, TextPatternRangeEndpoint targetEndpoint)
{
try
{
return(this._range.CompareEndpoints(
(UIAutomationClient.TextPatternRangeEndpoint)endpoint,
targetRange.NativeRange,
(UIAutomationClient.TextPatternRangeEndpoint)targetEndpoint));
}
catch (System.Runtime.InteropServices.COMException e)
{
Exception newEx; if (Utility.ConvertException(e, out newEx))
{
throw newEx;
}
else
{
throw;
}
}
}
public TextPatternRange GetCaretRange(out bool isActive)
{
try
{
int intIsActive;
TextPatternRange caretRange = TextPatternRange.Wrap(
this._pattern.GetCaretRange(out intIsActive), this);
isActive = (intIsActive != 0);
return(caretRange);
}
catch (System.Runtime.InteropServices.COMException e)
{
Exception newEx; if (Utility.ConvertException(e, out newEx))
{
throw newEx;
}
else
{
throw;
}
}
}
