/// <summary>
/// 尝试设置动态对象中指定名称的属性值。
/// </summary>
/// <param name="dynamicProvider">一个动态对象。</param>
/// <param name="name">属性的名称。</param>
/// <param name="value">设置值。</param>
/// <returns></returns>
public bool TrySetMember(IDynamicMetaObjectProvider dynamicProvider, string name, object value)
{
if (!setCallSites.TryGetValue(name, out CallSite <Func <CallSite, object, object, object> > callSite))
{
callSite = CallSite <Func <CallSite, object, object, object> > .Create(new NoThrowSetBinderMember((SetMemberBinder)BinderWrapper.SetMember(name)));
}
var result = callSite.Target(callSite, dynamicProvider, value);
return(!ReferenceEquals(result, ErrorResult));
}
/// <summary>
/// 尝试获取动态对象中指定名称的属性值。
/// </summary>
/// <param name="dynamicProvider">一个动态对象。</param>
/// <param name="name">属性的名称。</param>
/// <param name="value">返回值。</param>
/// <returns></returns>
public bool TryGetMember(IDynamicMetaObjectProvider dynamicProvider, string name, out object value)
{
if (!getCallSites.TryGetValue(name, out CallSite <Func <CallSite, object, object> > callSite))
{
callSite = CallSite <Func <CallSite, object, object> > .Create(new NoThrowGetBinderMember((GetMemberBinder)BinderWrapper.GetMember(name)));
}
var result = callSite.Target(callSite, dynamicProvider);
if (!ReferenceEquals(result, ErrorResult))
{
value = result;
return(true);
}
else
{
value = null;
return(false);
}
}