public override Type GetChildDataContextType(Type dataContext, DataContextStack controlContextStack, DotvvmBindableObject control, DotvvmProperty property = null)
{
var controlType = control.GetType();
var controlPropertyField = controlType.GetField($"{PropertyName}Property", BindingFlags.Public | BindingFlags.Static | BindingFlags.FlattenHierarchy);
var controlProperty = (DotvvmProperty)controlPropertyField?.GetValue(null);
if (controlProperty == null)
{
throw new Exception($"The property '{PropertyName}' was not found on control '{controlType}'!");
}
if (control.Properties.ContainsKey(controlProperty))
{
return(control.HasValueBinding(controlProperty)
? control.GetValueBinding(controlProperty).ResultType
: dataContext);
}
if (AllowMissingProperty)
{
return(dataContext);
}
throw new Exception($"Property '{PropertyName}' is required on '{controlType.Name}'.");
}