public TextInput()
{
InitializeComponent();
Binding b1 = new Binding(nameof(HintText));
b1.Source = this;
HintBlock.SetBinding(TextBlock.TextProperty, b1);
Binding b2 = new Binding(nameof(Proposal));
b2.Mode = BindingMode.TwoWay;
b2.Source = this;
b2.UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged;
InputBox.SetBinding(TextBox.TextProperty, b2);
Binding b3 = new Binding(nameof(HintFontSize));
b3.Source = this;
HintBlock.SetBinding(TextBlock.FontSizeProperty, b3);
Binding b4 = new Binding(nameof(InputFontSize));
b4.Source = this;
InputBox.SetBinding(TextBox.FontSizeProperty, b4);
this.MouseDown += TextInput_MouseDown;
}
