WeakReference DoCollectViewModel_TwoWay_AttachedProperty(TextBox textBox)
{
var viewModel = new TestViewModel();
textBox.SetDataContext(viewModel);
textBox.SetBinding(CommandProvider.CommandParameterProperty, new Binding(() => viewModel.StringProperty, BindingMode.TwoWay));
return new WeakReference(viewModel);
}
WeakReference DoCollectTwoWayBoudnDataControl_AttachedProperty(TestViewModel viewModel)
{
var textBox = new TextBox();
textBox.SetDataContext(viewModel);
textBox.SetBinding(CommandProvider.CommandParameterProperty, new Binding(() => viewModel.StringProperty, BindingMode.TwoWay));
return new WeakReference(textBox);
}
public void TwoWayBindingToUnstableProperty()
{
var viewModel = new UnstablePropertyViewModel() { };
using(var textBox = new TextBox()) {
textBox.SetDataContext(viewModel);
textBox.SetBinding(() => textBox.Text, new Binding(() => viewModel.MyProperty, BindingMode.TwoWay));
Assert.That(textBox.Text, Is.EqualTo(string.Empty));
textBox.Text = "test";
Assert.That(viewModel.MyProperty, Is.EqualTo("test_"));
Assert.That(textBox.Text, Is.EqualTo("test_"));
}
}
WeakReference DoCollectTwoWayBoudnDataControl(TestViewModel viewModel)
{
var textBox = new TextBox();
textBox.SetDataContext(viewModel);
textBox.SetBinding("Text", new Binding(() => viewModel.StringProperty, BindingMode.TwoWay));
return new WeakReference(textBox);
}
public void TwoWayBindingDirectlyToDataContext()
{
var viewModel = "test";
using(var textBox = new TextBox()) {
textBox.SetDataContext(viewModel);
Assert.Throws<InvalidOperationException>(() => {
textBox.SetBinding(() => textBox.Text, new Binding(string.Empty, BindingMode.TwoWay));
}, SR.TwoWayBindingRequiresPathExceptionMessage);
}
}