public DialogTextView (RectangleF frame) : base(frame)
{
this.Changed += HandleChanged;
PlaceholderLabel = new UILabel() {
LineBreakMode = UILineBreakMode.WordWrap,
Lines = 0,
BackgroundColor = UIColor.Clear,
TextColor = UIColor.Gray,
Alpha = 0
};
this.BackgroundColor = UIColor.Clear;
this.AddSubview(PlaceholderLabel);
this.SendSubviewToBack(PlaceholderLabel);
}