protected virtual void OnEventRaised(object sender, EventArgs eventArgs)
{
if (Command == null)
{
return;
}
var parameter = CommandParameter;
if (parameter == null && !string.IsNullOrEmpty(EventArgsParameterPath))
{
//Walk the ParameterPath for nested properties.
var propertyPathParts = EventArgsParameterPath.Split('.');
object propertyValue = eventArgs;
foreach (var propertyPathPart in propertyPathParts)
{
var propInfo = propertyValue.GetType().GetTypeInfo().GetDeclaredProperty(propertyPathPart);
propertyValue = propInfo.GetValue(propertyValue);
}
parameter = propertyValue;
}
if (parameter == null && eventArgs != null && eventArgs != EventArgs.Empty && EventArgsConverter != null)
{
parameter = EventArgsConverter.Convert(eventArgs, typeof(object), EventArgsConverterParameter,
CultureInfo.CurrentUICulture);
}
if (Command.CanExecute(parameter))
{
Command.Execute(parameter);
}
}
protected virtual void OnEventRaised(object sender, EventArgs eventArgs)
{
if (Command == null)
{
return;
}
var parameter = CommandParameter;
if (parameter == null && !string.IsNullOrEmpty(EventArgsParameterPath))
{
if (EventArgsParameterPath == ".")
{
parameter = eventArgs;
}
else
{
//Walk the ParameterPath for nested properties.
var propertyPathParts = EventArgsParameterPath.Split('.');
object propertyValue = eventArgs;
foreach (var propertyPathPart in propertyPathParts)
{
var propInfo = propertyValue.GetType().GetRuntimeProperty(propertyPathPart);
if (propInfo == null)
{
throw new MissingMemberException($"Unable to find {EventArgsParameterPath}");
}
propertyValue = propInfo.GetValue(propertyValue);
if (propertyValue == null)
{
break;
}
}
parameter = propertyValue;
}
}
if (parameter == null && eventArgs != null && eventArgs != EventArgs.Empty && EventArgsConverter != null)
{
parameter = EventArgsConverter.Convert(eventArgs, typeof(object), EventArgsConverterParameter,
CultureInfo.CurrentUICulture);
}
if (Command.CanExecute(parameter))
{
Command.Execute(parameter);
}
}
private object GetEventArgsPropertyPathValue(object parameter)
{
object commandParameter;
object propertyValue = parameter;
string[] propertyPathParts = EventArgsParameterPath.Split('.');
foreach (string propertyPathPart in propertyPathParts)
{
PropertyInfo propInfo = propertyValue.GetType().GetProperty(propertyPathPart);
propertyValue = propInfo.GetValue(propertyValue, null);
}
commandParameter = propertyValue;
return(commandParameter);
}
