本文整理汇总了C#中IDynamicMetaObjectProvider.GetMetaObject方法的典型用法代码示例。如果您正苦于以下问题：C# IDynamicMetaObjectProvider.GetMetaObject方法的具体用法？C# IDynamicMetaObjectProvider.GetMetaObject怎么用？C# IDynamicMetaObjectProvider.GetMetaObject使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类IDynamicMetaObjectProvider的用法示例。
在下文中一共展示了IDynamicMetaObjectProvider.GetMetaObject方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: ForwardingMetaObject
public ForwardingMetaObject(
Expression expression,
BindingRestrictions restrictions,
object forwarder,
IDynamicMetaObjectProvider forwardee,
Func<Expression, Expression> forwardeeGetter
)
: base(expression, restrictions, forwarder)
{
// We'll use forwardee's meta-object to bind dynamic operations.
metaForwardee = forwardee.GetMetaObject(
forwardeeGetter(
Expression.Convert(expression, forwarder.GetType()) // [1]
)
);
}示例2: Iterate
private static void Iterate(
ObjectEnumeratorBindingContext context,
IDynamicMetaObjectProvider target,
Action<TextWriter, object> template,
Action<TextWriter, object> ifEmpty)
{
if (HandlebarsUtils.IsTruthy(target))
{
context.Index = 0;
var meta = target.GetMetaObject(Expression.Constant(target));
foreach (var name in meta.GetDynamicMemberNames())
{
context.Key = name;
var value = GetProperty(target, name);
context.First = (context.Index == 0);
template(context.TextWriter, value);
context.Index++;
}
if (context.Index == 0)
{
ifEmpty(context.TextWriter, context.Value);
}
}
else
{
ifEmpty(context.TextWriter, context.Value);
}
}示例3: GetDynamicProperties
private static PropertyReader[] GetDynamicProperties(IDynamicMetaObjectProvider provider)
{
var metaObject = provider.GetMetaObject(Expression.Constant(provider));
var memberNames = metaObject.GetDynamicMemberNames(); // may return property names as well as method names, etc.
var result = new List<PropertyReader>();
foreach (var name in memberNames)
{
try
{
var argumentInfo = new[] {CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.None, null)};
var binder = Binder.GetMember(CSharpBinderFlags.None, name, provider.GetType(), argumentInfo);
var site = CallSite<Func<CallSite, object, object>>.Create(binder);
var value = site.Target(site, provider); // will throw if no valid property getter
result.Add(new PropertyReader
{
Name = name,
DeclaringType = provider.GetType(),
Read = o => value
});
}
catch (RuntimeBinderException)
{
}
}
return result.ToArray();
}