private string GetValue()
{
if (_type == WindowsEditBox.EditboxType.Password)
{
// Trying to retrieve the text (through WM_GETTEXT) from an edit box that has
// the ES_PASSWORD style throws an UnauthorizedAccessException.
throw new UnauthorizedAccessException();
}
if (IsDocument())
{
ITextRange range = _document.Range(0, 0);
int start = 0;
int end = range.StoryLength;
range.SetRange(start, end);
string text = range.Text;
// Empty edits contain a degenerate/empty range, and will return null
// for their text - treat this as "", not null, since we do want to expose
// a non-null value.
if (string.IsNullOrEmpty(text))
{
return("");
}
int embeddedObjectOffset = text.IndexOf((char)0xFFFC);
if (embeddedObjectOffset != -1)
{
StringBuilder sbText = new StringBuilder();
object embeddedObject;
while (start < end && embeddedObjectOffset != -1)
{
sbText.Append(text.Substring(start, embeddedObjectOffset - start));
range.SetRange(embeddedObjectOffset, end);
if (range.GetEmbeddedObject(out embeddedObject) == NativeMethods.S_OK && embeddedObject != null)
{
GetEmbeddedObjectText(embeddedObject, sbText);
}
else
{
// If there is some kind of error, just append a space to the text. In this way
// we will be no worse of then before implementing the embedded object get text.
sbText.Append(" ");
}
start = embeddedObjectOffset + 1;
embeddedObjectOffset = text.IndexOf((char)0xFFFC, start);
}
if (start < end)
{
sbText.Append(text.Substring(start, end - start));
}
text = sbText.ToString();
}
return(text);
}
else
{
return(Misc.ProxyGetText(_hwnd));
}
}