TrySetValue()

void System.Dynamic.ExpandoObject.TrySetValue ( object indexClass, int index, object value, string name, bool ignoreCase, bool add )

inlinepackage

Definition at line 538 of file ExpandoObject.cs.

    {
        ExpandoData expandoData;
        object obj;
        lock (LockObject)
        {
            expandoData = _data;
            if (expandoData.Class != indexClass || ignoreCase)
            {
                index = expandoData.Class.GetValueIndex(name, ignoreCase, this);
                switch (index)
                {
                case -2:
                    throw Error.AmbiguousMatchInExpandoObject(name);
                case -1:
                {
                    int num = (ignoreCase ? expandoData.Class.GetValueIndexCaseSensitive(name) : index);
                    if (num != -1)
                    {
                        index = num;
                        break;
                    }
                    ExpandoClass newClass = expandoData.Class.FindNewClass(name);
                    expandoData = PromoteClassCore(expandoData.Class, newClass);
                    index = expandoData.Class.GetValueIndexCaseSensitive(name);
                    break;
                }
                }
            }
            obj = expandoData[index];
            if (obj == Uninitialized)
            {
                _count++;
            }
            else if (add)
            {
                throw Error.SameKeyExistsInExpando(name);
            }
            expandoData[index] = value;
        }
        PropertyChangedEventHandler propertyChanged = _propertyChanged;
        if (propertyChanged != null && value != obj)
        {
            propertyChanged(this, new PropertyChangedEventArgs(expandoData.Class.Keys[index]));
        }
    }

References System.Dynamic.ExpandoObject._count, System.Dynamic.ExpandoObject._data, System.Dynamic.ExpandoObject._propertyChanged, System.Linq.Expressions.Error.AmbiguousMatchInExpandoObject(), System.index, System.Collections.Generic.Dictionary< TKey, TValue >.Keys, System.Dynamic.ExpandoObject.LockObject, System.obj, System.Dynamic.ExpandoObject.PromoteClassCore(), System.Linq.Expressions.Error.SameKeyExistsInExpando(), System.Dynamic.ExpandoObject.Uninitialized, and System.value.

Referenced by System.Dynamic.ExpandoObject.TryAddMember().