private void HookErrorsChanged(IPropertyErrors propertyErrors)
{
if (propertyErrors.Name == _propertyName)
{
AddHandler(propertyErrors, nameof(IPropertyErrors.ErrorsChanged), HandlePropertyErrorsChanged);
}
}
private void RemoveError(IPropertyErrors propertyErrors)
{
if (_propertyErrors.Remove(propertyErrors.Name))
{
RaisePropertyErrorsChanged(propertyErrors, PropertyErrorsChangeType.Remove);
}
}
private void UnHookErrorsChanged(IPropertyErrors propertyErrors)
{
if (propertyErrors.Name == _propertyName)
{
RemoveHandler(propertyErrors, nameof(IPropertyErrors.ErrorsChanged), HandlePropertyErrorsChanged);
ClearValidationError();
}
}
public PropertyErrorsChangedEventArgs(IPropertyErrors propertyErrors, PropertyErrorsChangeType type)
{
PropertyErrors = propertyErrors;
Type = type;
}
private void RaisePropertyErrorsChanged(IPropertyErrors propertyErrors, PropertyErrorsChangeType type)
{
PropertyErrorsChanged?.Invoke(this, new PropertyErrorsChangedEventArgs(propertyErrors, type));
NotifyErrorsChanged();
}
private void AddError(IPropertyErrors propertyErrors)
{
_propertyErrors.Add(propertyErrors.Name, propertyErrors);
RaisePropertyErrorsChanged(propertyErrors, PropertyErrorsChangeType.Add);
}
