| public GetEnclosingElement ( ) : AutomationElement | ||
| return | AutomationElement | |
public static int CountTextUnit(TextUnit tu, TextPatternRange rangeToCount)
{
ValidateArgumentNonNull(rangeToCount, "rangeToCount argument cannot be null"); // Sanity check
TextPatternRange clone = rangeToCount.Clone();
int count = clone.MoveEndpointByUnit(TextPatternRangeEndpoint.Start, tu, Int32.MaxValue);
// Provider / Text Unit specific offsets
switch(typeOfProvider)
{
case "win32":
case "winform":
{
// This is to correct the fact that our line count will skip the last line if it
// DOES NOT have a trailing \r, \n or \r\n
if( tu == TextUnit.Line )
{
string text = rangeToCount.GetText(-1);
AutomationElement element = rangeToCount.GetEnclosingElement();
if( IsTrailingCRLF(element, text) == 0 )
count++;
}
}
break;
case "wpf":
break;
}
return count;
}
internal static int Win32CountTextUnit(TextUnit textUnit, TextPatternRange rangeToCount)
{
AutomationElement element = null;
string actualText = "";
ValidateArgumentNonNull(rangeToCount, "rangeToCount argument cannot be null"); // Sanity check
// Get text
try
{
actualText = rangeToCount.GetText(-1);
element = rangeToCount.GetEnclosingElement();
if (element == null)
throw new InvalidOperationException("Null automation element incorrectly returned by TextPatternRange.GetEnclosingElement() in Win32CountTextUnit()");
}
catch (Exception exception)
{
if (IsCriticalException(exception))
throw;
throw new InvalidOperationException("Unable to call TextPatternRange.GetText() in Win32CountTextUnit()", exception);
}
// Count text units and assign to array element
switch (textUnit)
{
case TextUnit.Character:
return actualText.Length;
case TextUnit.Format:
return CountTextUnit(TextUnit.Format, rangeToCount);
case TextUnit.Word:
return CountTextUnit(TextUnit.Word, rangeToCount);
case TextUnit.Line:
return Win32CountLines(element);
case TextUnit.Paragraph:
return CountParagraphs(actualText);
case TextUnit.Page:
return 1;
case TextUnit.Document:
return 1;
default:
throw new ArgumentException("CountTextUnits() does not support " + textUnit.ToString());
}
}
//---------------------------------------------------------------------------
// Wrapper for TextPatternRange.GetEnclosingElement Method
//---------------------------------------------------------------------------
internal void Range_GetEnclosingElement(TextPatternRange callingRange, ref AutomationElement parent, Type expectedException, CheckType checkType)
{
string call = "TextPatternRange.GetEnclosingElement()";
Comment("---Calling " + call);
if (callingRange == null)
throw new ArgumentNullException(call + " requires non-NULL TextPatterncallingRange");
try
{
parent = callingRange.GetEnclosingElement();
}
catch (Exception actualException)
{
if (Library.IsCriticalException(actualException))
throw;
TestException(expectedException, actualException, call, checkType);
return;
}
TestNoExceptionQuiet(expectedException, call, checkType);
}
