Mono.Addins.RuntimeAddin.CreateInstance C# (CSharp) Метод

CreateInstance() публичный Метод

Creates an instance of a type defined in the add-in
The type will be looked up in the assemblies that implement the add-in, and recursivelly in all add-ins on which it depends. This method throws an InvalidOperationException if the type can't be found. The specified type must have a default constructor.
public CreateInstance ( string typeName ) : object
typeName string /// Name of the type. ///
Результат object
        public object CreateInstance(string typeName)
        {
            return CreateInstance (typeName, true);
        }

Same methods

RuntimeAddin::CreateInstance ( string typeName, bool throwIfNotFound ) : object

Usage Example

Пример #1
0
		public void AddMap (RuntimeAddin addin, string xmlMap, string fileId)
		{
			XmlDocument doc = new XmlDocument ();
			doc.LoadXml (xmlMap);
			
			foreach (XmlElement elem in doc.DocumentElement.SelectNodes ("DataItem")) {
				string tname = elem.GetAttribute ("class");
				Type type = addin.GetType (tname);
				if (type == null) {
					LoggingService.LogError ("[SerializationMap " + fileId + "] Type not found: '" + tname + "'");
					continue;
				}
				
				string cname = elem.GetAttribute ("name");
				string ftname = elem.GetAttribute ("fallbackType");

				SerializationMap map;
				if (!maps.TryGetValue (type, out map)) {
					map = new SerializationMap (type);
					maps [type] = map;
					map.FileId = fileId;
					if (cname.Length > 0 || ftname.Length > 0) {
						DataItemAttribute iat = new DataItemAttribute ();
						if (cname.Length > 0)
							iat.Name = cname;
						if (ftname.Length > 0)
							iat.FallbackType = addin.GetType (ftname, true);
						map.TypeAttributes.Add (iat);
					}
				} else {
					if (!string.IsNullOrEmpty (cname))
						throw new InvalidOperationException (string.Format ("Type name for type '{0}' in map '{1}' already specified in another serialization map for the same type ({2}).", type, fileId, map.FileId));
					if (!string.IsNullOrEmpty (ftname))
						throw new InvalidOperationException (string.Format ("Fallback type for type '{0}' in map '{1}' already specified in another serialization map for the same type ({2}).", type, fileId, map.FileId));
				}
				
				string customDataItem = elem.GetAttribute ("customDataItem");
				if (customDataItem.Length > 0) {
					ICustomDataItemHandler ch = (ICustomDataItemHandler) addin.CreateInstance (customDataItem, true);
					if (map.CustomHandler != null)
						map.CustomHandler = new CustomDataItemHandlerChain (map.CustomHandler, ch);
					else
						map.CustomHandler = ch;
				}
				
				ItemMember lastMember = null;
				int litc = 0;
				
				foreach (XmlElement att in elem.SelectNodes ("ItemProperty|ExpandedCollection|LiteralProperty|ItemMember"))
				{
					string memberName = null;
					ItemMember prevMember = lastMember;
					lastMember = null;
					
					if (att.Name == "LiteralProperty") {
						ItemMember mem = new ItemMember ();
						memberName = mem.Name = "_literal_" + (++litc);
						mem.Type = typeof(string);
						mem.InitValue = att.GetAttribute ("value");
						mem.DeclaringType = map.Type;
						map.ExtendedMembers.Add (mem);
						ItemPropertyAttribute itemAtt = new ItemPropertyAttribute ();
						itemAtt.Name = att.GetAttribute ("name");
						map.AddMemberAttribute (mem, itemAtt);
						lastMember = mem;
						continue;
					}
					else if (att.Name == "ItemMember") {
						ItemMember mem = new ItemMember ();
						memberName = mem.Name = att.GetAttribute ("name");
						mem.Type = addin.GetType (att.GetAttribute ("type"), true);
						mem.DeclaringType = map.Type;
						map.ExtendedMembers.Add (mem);
						lastMember = mem;
						continue;
					}
					else
					{
						memberName = att.GetAttribute ("member");
						
						Type mt;
						object mi;
						if (!FindMember (map, memberName, out mi, out mt)) {
							LoggingService.LogError ("[SerializationMap " + fileId + "] Member '" + memberName + "' not found in type '" + tname + "'");
							continue;
						}
						
						if (att.Name == "ItemProperty")
						{
							ItemPropertyAttribute itemAtt = new ItemPropertyAttribute ();
							
							string val = att.GetAttribute ("name");
							if (val.Length > 0)
								itemAtt.Name = val;
							
							val = att.GetAttribute ("scope");
							if (val.Length > 0)
								itemAtt.Scope = val;
							
							if (att.Attributes ["defaultValue"] != null) {
								if (mt.IsEnum)
									itemAtt.DefaultValue = Enum.Parse (mt, att.GetAttribute ("defaultValue"));
								else
									itemAtt.DefaultValue = Convert.ChangeType (att.GetAttribute ("defaultValue"), mt);
							}
							
							val = att.GetAttribute ("serializationDataType");
							if (val.Length > 0)
								itemAtt.SerializationDataType = addin.GetType (val, true);
							
							val = att.GetAttribute ("valueType");
							if (val.Length > 0)
								itemAtt.ValueType = addin.GetType (val, true);
							
							val = att.GetAttribute ("readOnly");
							if (val.Length > 0)
								itemAtt.ReadOnly = bool.Parse (val);
							
							val = att.GetAttribute ("writeOnly");
							if (val.Length > 0)
								itemAtt.WriteOnly = bool.Parse (val);
							
							val = att.GetAttribute ("fallbackType");
							if (val.Length > 0)
								itemAtt.FallbackType = addin.GetType (val, true);
							
							val = att.GetAttribute ("isExternal");
							if (val.Length > 0)
								itemAtt.IsExternal = bool.Parse (val);
							
							val = att.GetAttribute ("skipEmpty");
							if (val.Length > 0)
								itemAtt.SkipEmpty = bool.Parse (val);
							
							map.AddMemberAttribute (mi, itemAtt);
						}
						else if (att.Name == "ExpandedCollection")
						{
							ExpandedCollectionAttribute eat = new ExpandedCollectionAttribute ();
							map.AddMemberAttribute (mi, eat);
						}
					}
					if (prevMember != null)
						prevMember.InsertBefore = memberName;
				}
			}
		}