protected override void PreFilterProperties(IDictionary properties)
{
base.PreFilterProperties(properties);
AdapterActivity activity = this.Activity as AdapterActivity;
if (activity != null && activity.Type != null && activity.MethodName != null)
{
MethodInfo mi = activity.Type.GetMethod(activity.MethodName);
if (mi != null)
{
//get the parameters and add them as properties
ParameterInfo[] pis = mi.GetParameters();
if (pis != null)
{
foreach (ParameterInfo pi in pis)
{
//add a new parameter
properties[pi.Name] = new ParameterBindingPropertyDescriptor<AdapterActivity>(pi.Name, pi.ParameterType, new Attribute[] { new DesignerSerializationVisibilityAttribute(DesignerSerializationVisibility.Hidden), new BrowsableAttribute(true), new CategoryAttribute("Parameters"), new DescriptionAttribute(pi.ParameterType.FullName), new EditorAttribute(typeof(BindUITypeEditor), typeof(UITypeEditor)) });
}
if ((mi.ReturnType != typeof(void)))
{
properties["(ReturnValue)"] = new ParameterBindingPropertyDescriptor<AdapterActivity>("(ReturnValue)", mi.ReturnType, new Attribute[] { new DesignerSerializationVisibilityAttribute(DesignerSerializationVisibility.Hidden), new BrowsableAttribute(true), new CategoryAttribute("Parameters"), new DescriptionAttribute(mi.ReturnType.FullName), new EditorAttribute(typeof(BindUITypeEditor), typeof(UITypeEditor)) });
}
}
}
}
}
internal void GetParameterPropertyDescriptors(IDictionary properties)
{
if (this.Site != null)
{
ITypeProvider provider = (ITypeProvider)this.Site.GetService(typeof(ITypeProvider));
if (provider == null)
{
throw new InvalidOperationException("Missing ITypeProvider Service");
}
if ((this.ConnectorActivityName != null) && !string.IsNullOrEmpty(this.ConnectorActivityName.Trim()))
{
Activity activity = Helpers.GetRootActivity(this).GetActivityByName(this.ConnectorActivityName, false) as Activity;
if (activity != null)
{
Type type = activity.GetType().InvokeMember("Type", BindingFlags.ExactBinding | BindingFlags.GetProperty | BindingFlags.FlattenHierarchy | BindingFlags.Public | BindingFlags.Instance, null, activity, new object[0]) as Type;
string methodname = activity.GetType().InvokeMember("MethodName", BindingFlags.ExactBinding | BindingFlags.GetProperty | BindingFlags.FlattenHierarchy | BindingFlags.Public | BindingFlags.Instance, null, activity, new object[0]) as string;
if (type != null && !string.IsNullOrEmpty(methodname))
{
MethodInfo mi = type.GetMethod(methodname);
if (mi != null && mi.ReturnType != typeof(void))
{
Trace.WriteLine(string.Format("GetParameterPropertyDescriptors - ReturnType={0}", mi.ReturnType));
PropertyDescriptor descriptor = new ParameterBindingPropertyDescriptor<ReturnActivity>("(ReturnValue)", mi.ReturnType, new Attribute[] { DesignOnlyAttribute.Yes, new DesignerSerializationVisibilityAttribute(DesignerSerializationVisibility.Hidden), new BrowsableAttribute(true), new CategoryAttribute("Parameters"), new DescriptionAttribute(mi.ReturnType.FullName), new EditorAttribute(typeof(BindUITypeEditor), typeof(UITypeEditor)) });
if (descriptor != null)
{
properties[descriptor.Name] = descriptor;
}
}
}
}
}
}
}
