CSharpGL.FormSelectType.FormGLSwtichType_Load C# (CSharp) Method

        private void FormGLSwtichType_Load(object sender, EventArgs e)
        {
            List<Type> typeList;

            if (this.forceReload)
            {
                typeList = this.baseType.GetAllDerivedTypes(this.addtionalFilter);
                if (dict.ContainsKey(this.baseType))
                { dict[this.baseType] = typeList; }
                else
                { dict.Add(this.baseType, typeList); }
            }
            else
            {
                if (dict.ContainsKey(this.baseType))
                { typeList = dict[this.baseType]; }
                else
                {
                    typeList = this.baseType.GetAllDerivedTypes(this.addtionalFilter);
                    dict.Add(this.baseType, typeList);
                }
            }

            foreach (Type item in typeList)
            {
                this.lstType.Items.Add(item);
            }
        }