public void Delete()
{
using (var s = new NSMutableString(0)) {
s.SetString((NSString)"Hello World");
s.DeleteCharacters(new NSRange(5, 6));
Assert.That(s.ToString(), Is.EqualTo("Hello"), "deleetd");
Assert.Throws <ArgumentOutOfRangeException> (delegate {
s.DeleteCharacters(new NSRange(0, s.Length + 1));
}, "bad 1");
Assert.Throws <ArgumentOutOfRangeException> (delegate {
s.DeleteCharacters(new NSRange(1, s.Length));
}, "bad 2");
}
}
public override void Changed(UITextView textView)
{
Console.WriteLine("-----" + secureText);
if (secureTextViewEntry)
{
string text = textView.Text;
if (text.Length > 0)
{
if ("" == lastText)
{
secureText.DeleteCharacters(new NSRange(secureText.Length - 1, 1));
onlyPassword();
timer.Invalidate();
//base.Changed(textView);
return;
}
else
{
NSString one = new NSString(text.Substring(text.Length - 1));
secureText.Append(one);
NSMutableString temp = new NSMutableString();
for (int i = 0; i < secureText.Length - 1; i++)
{
temp.Append(new NSString("•"));
}
temp.Append(new NSString(secureText.ToString().Substring(secureText.ToString().Length - 1)));
myTextView.Text = temp;
//timer.Invalidate();
timer = NSTimer.CreateScheduledTimer(2, onlyPassword);
}
}
else
{
secureText = new NSMutableString();
}
//base.Changed(textView);
}
else
{
if (textView.Text.Length == 0)
{
secureText = new NSMutableString();
}
else
{
secureText = new NSMutableString();
secureText.SetString(new NSString(textView.Text));
}
timer.Invalidate();
//base.Changed(textView);
}
}