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static private InstancePropertyNotDefinedForType ( object p0, object p1, string paramName ) : |
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| p0 | object | |
| p1 | object | |
| paramName | string | |
| Результат | ||
/// <summary>
/// Creates a <see cref="MemberExpression"/> accessing a property.
/// </summary>
/// <param name="expression">The containing object of the property. This can be null for static properties.</param>
/// <param name="propertyName">The property to be accessed.</param>
/// <returns>The created <see cref="MemberExpression"/>.</returns>
public static MemberExpression Property(Expression expression, string propertyName)
{
RequiresCanRead(expression, nameof(expression));
ContractUtils.RequiresNotNull(propertyName, nameof(propertyName));
// bind to public names first
PropertyInfo pi = expression.Type.GetProperty(propertyName, BindingFlags.Instance | BindingFlags.Public | BindingFlags.IgnoreCase | BindingFlags.FlattenHierarchy)
?? expression.Type.GetProperty(propertyName, BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.IgnoreCase | BindingFlags.FlattenHierarchy);
if (pi == null)
{
throw Error.InstancePropertyNotDefinedForType(propertyName, expression.Type, nameof(propertyName));
}
return(Property(expression, pi));
}
public static ConditionalMemberCSharpExpression ConditionalProperty(Expression expression, string propertyName)
{
RequiresCanRead(expression, nameof(expression));
ContractUtils.RequiresNotNull(propertyName, nameof(propertyName));
var type = expression.Type.GetNonNullReceiverType();
var property = type.GetProperty(propertyName, BindingFlags.IgnoreCase | BindingFlags.Instance | BindingFlags.Public | BindingFlags.FlattenHierarchy);
if (property == null)
{
property = type.GetProperty(propertyName, BindingFlags.IgnoreCase | BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.FlattenHierarchy);
}
if (property == null)
{
throw LinqError.InstancePropertyNotDefinedForType(propertyName, type);
}
return(ConditionalProperty(expression, property));
}
