public IOptionsExpression <T> To(DependencyObject target)
{
BinderExpression.ExposeContext(this, c => {
c.TargetObject = target;
});
return(this);
}
public IOptionsExpression <T> On(DependencyProperty property)
{
BinderExpression.ExposeContext(this, c => {
c.TargetProperty = property;
});
return(this);
}
private void ConfigureBinding <TBinding>(
Action <TBinding> configurationAction
) where TBinding : BindingBase
{
BinderExpression.ExposeContext(this, c => {
TBinding casted = c.Binding as TBinding;
if (casted == null)
{
throw new InvalidOperationException(ExceptionTexts.OperationInvalidForBindingType);
}
configurationAction(casted);
});
}
public static IOptionsExpression <T> KeyGesture <T>(
this IOptionsExpression <T> expression,
Key key,
ModifierKeys modifiers = ModifierKeys.None
) where T : ICommand
{
KeyGesture gesture = CustomKeyGesture.Create(key, modifiers);
InputBinding binding = new KeyBinding {
Gesture = gesture
};
BinderExpression.ExposeContext(
expression,
ctx => {
BindingOperations.SetBinding(binding, KeyBinding.CommandProperty, ctx.Binding);
var targetUIElement = ctx.TargetObject as UIElement;
var targetContentElement = ctx.TargetObject as ContentElement;
if (targetUIElement != null)
{
targetUIElement.InputBindings.Add(binding);
}
else if (targetContentElement != null)
{
targetContentElement.InputBindings.Add(binding);
}
else
{
throw new NotSupportedException();
}
}
);
return(expression);
}
