/// <summary>
/// Invokes the action.
/// </summary>
/// <param name="eventArgs">The parameter to the action. If the action does not require a parameter, the parameter may be set to a null reference.</param>
public void Invoke(object eventArgs)
{
Log.Info("Invoking {0}.", this);
if (context == null)
{
UpdateContext();
}
if (context.Target == null || context.View == null)
{
PrepareContext(context);
if (context.Target == null)
{
var ex = new Exception(string.Format("No target found for method {0}.",
context.Message.MethodName));
Log.Error(ex);
if (!ThrowsExceptions)
{
return;
}
throw ex;
}
if (!UpdateAvailabilityCore())
{
return;
}
}
if (context.Method == null)
{
var ex =
new Exception(string.Format("Method {0} not found on target of type {1}.",
context.Message.MethodName, context.Target.GetType()));
Log.Error(ex);
if (!ThrowsExceptions)
{
return;
}
throw ex;
}
context.EventArgs = eventArgs;
if (EnforceGuardsDuringInvocation && context.CanExecute != null && !context.CanExecute())
{
return;
}
InvokeAction(context);
context.EventArgs = null;
}
