public virtual java.lang.CharSequence filter(java.lang.CharSequence source, int start
, int end, android.text.Spanned dest, int dstart, int dend)
{
int keep = mMax - (dest.Length - (dend - dstart));
if (keep <= 0)
{
return(java.lang.CharSequenceProxy.Wrap(string.Empty));
}
else
{
if (keep >= end - start)
{
return(null);
}
else
{
keep += start;
if (System.Char.IsHighSurrogate(source[keep - 1]))
{
--keep;
if (keep == start)
{
return(java.lang.CharSequenceProxy.Wrap(string.Empty));
}
}
return(source.SubSequence(start, keep));
}
}
}
public virtual java.io.PrintStream append(java.lang.CharSequence charSequence, int
start, int end)
{
if (charSequence == null)
{
charSequence = java.lang.CharSequenceProxy.Wrap("null");
}
print(charSequence.SubSequence(start, end).ToString());
return(this);
}
public virtual java.io.Writer append(java.lang.CharSequence csq, int start, int end
)
{
if (csq == null)
{
csq = java.lang.CharSequenceProxy.Wrap("null");
}
write(csq.SubSequence(start, end).ToString());
return(this);
}
public override java.io.Writer append(java.lang.CharSequence csq, int start, int
end)
{
if (csq == null)
{
csq = java.lang.CharSequenceProxy.Wrap("null");
}
string output = csq.SubSequence(start, end).ToString();
write(output, 0, output.Length);
return(this);
}
internal void insert0(int index, java.lang.CharSequence s, int start, int end)
{
if (s == null)
{
s = java.lang.CharSequenceProxy.Wrap("null");
}
if ((index | start | end) < 0 || index > count || start > end || end > s.Length)
{
throw new System.IndexOutOfRangeException();
}
insert0(index, s.SubSequence(start, end).ToString());
}
public virtual java.nio.CharBuffer append(java.lang.CharSequence csq, int start,
int end)
{
if (csq == null)
{
csq = java.lang.CharSequenceProxy.Wrap("null");
}
java.lang.CharSequence cs = csq.SubSequence(start, end);
if (cs.Length > 0)
{
return(put(cs.ToString()));
}
return(this);
}
public override java.nio.CharBuffer slice()
{
return(new java.nio.CharSequenceAdapter(sequence.SubSequence(_position, _limit)));
}
/// <summary><p>Starts filtering the content of the drop down list.</summary>
/// <remarks>
/// <p>Starts filtering the content of the drop down list. The filtering
/// pattern is the specified range of text from the edit box. Subclasses may
/// override this method to filter with a different pattern, for
/// instance a smaller substring of <code>text</code>.</p>
/// </remarks>
protected internal virtual void performFiltering(java.lang.CharSequence text, int
start, int end, int keyCode)
{
getFilter().filter(text.SubSequence(start, end), this);
}