private void UpdateMethodInfo()
{
this.methodDescriptors.Clear();
if (this.Target != null && !string.IsNullOrEmpty(this.MethodName))
{
Type targetType = this.Target.GetType();
MethodInfo[] methods = targetType.GetMethods(BindingFlags.Public | BindingFlags.Instance);
for (int i = 0; i < methods.Length; i++)
{
MethodInfo method = methods[i];
if (!this.IsMethodValid(method))
{
continue;
}
ParameterInfo[] methodParams = method.GetParameters();
if (!CallMethodAction.AreMethodParamsValid(methodParams))
{
continue;
}
this.methodDescriptors.Add(new MethodDescriptor(method, methodParams));
}
this.methodDescriptors = this.methodDescriptors.OrderByDescending((methodDescriptor) =>
{
int distanceFromBaseClass = 0;
if (methodDescriptor.HasParameters)
{
Type typeWalker = methodDescriptor.SecondParameterType;
while (typeWalker != typeof(EventArgs))
{
distanceFromBaseClass++;
typeWalker = typeWalker.BaseType;
}
}
return(methodDescriptor.ParameterCount + distanceFromBaseClass);
}).ToList();
}
}
private static void OnTargetObjectChanged(DependencyObject sender, DependencyPropertyChangedEventArgs args)
{
CallMethodAction callMethodAction = (CallMethodAction)sender;
callMethodAction.UpdateMethodInfo();
}
