private static IEnumerable <DispatchMember> GetMembersRaw(this IDispatchEx dispatchEx)
{
var isEnumerable = false;
int dispid;
var result = dispatchEx.GetNextDispID(DispatchEnumFlags.All, SpecialDispIDs.StartEnum, out dispid);
while (result == HResult.S_OK)
{
string name;
if (HResult.Succeeded(dispatchEx.GetMemberName(dispid, out name)))
{
DispatchPropFlags flags;
if (HResult.Succeeded(dispatchEx.GetMemberProperties(dispid, DispatchPropFlags.CanAll, out flags)))
{
if (dispid == SpecialDispIDs.NewEnum)
{
isEnumerable = true;
}
yield return(new DispatchMember(name, dispid, flags));
}
}
result = dispatchEx.GetNextDispID(DispatchEnumFlags.All, dispid, out dispid);
}
if (isEnumerable)
{
yield return(new DispatchMember("GetEnumerator", SpecialDispIDs.GetEnumerator, DispatchPropFlags.CanCall));
}
}
private static void GetProperties(object jsonObject, out Dictionary <string, object> properties)
{
properties = new Dictionary <string, object>();
IDispatchEx dispatch = jsonObject as IDispatchEx;
if (dispatch == null)
{
return;
}
int id = DISPID_START_ENUM;
int nextId = -2;
while (0 == dispatch.GetNextDispID(fdexEnumAll, id, out nextId))
{
string name;
id = nextId;
int result = dispatch.GetMemberName(id, out name);
Debug.Assert(result == 0, "Member name must be present");
object o = jsonObject.GetType().InvokeMember(name,
BindingFlags.Public | BindingFlags.Instance | BindingFlags.GetProperty, null,
jsonObject, null);
// now, the property name maybe the instance annotation, while the instance annotation starts with "@"
if (name.StartsWith("@"))
{
name = name.Substring(1); // remove the @ sign
}
properties.Add(name, o);
}
}
public static IEnumerable <string> GetPropertyNames(this IDispatchEx dispatchEx)
{
int dispid;
var result = dispatchEx.GetNextDispID(DispatchEnumFlags.All, SpecialDispIDs.StartEnum, out dispid);
while (result == RawCOMHelpers.HResult.S_OK)
{
string name;
if (dispatchEx.GetMemberName(dispid, out name) == RawCOMHelpers.HResult.S_OK)
{
yield return(name);
}
result = dispatchEx.GetNextDispID(DispatchEnumFlags.All, dispid, out dispid);
}
}
