/// <summary>
/// Set an object's readonly property value using reflection.
/// </summary>
/// <param name="source">The object to set the property on.</param>
/// <param name="propertyName">Property name.</param>
/// <param name="value">Property value.</param>
/// <exception cref="T:System.ArgumentNullException"><paramref name="source" /> is null.</exception>
/// <exception cref="T:System.ArgumentException"><paramref name="propertyName" /> is null or empty.</exception>
/// <exception cref="T:System.InvalidOperationException">Property does not exist.</exception>
public static void SetPropertyReadOnlyValue(this object source, string propertyName, object value)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
if (string.IsNullOrEmpty(propertyName))
{
throw new ArgumentException("Property name is null or empty.", nameof(propertyName));
}
var fieldInfo = source.GetType().GetBackingField(propertyName);
if (fieldInfo == null)
{
ExceptionThrower.ThrowPropertyDoesNotExist(source.GetType(), propertyName);
}
fieldInfo.SetValue(source, value);
}
public static PropertyInfo GetPropertyInfoOrThrow(Type source, string propertyName, bool ignoreCase, BindingFlags flags)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
if (string.IsNullOrEmpty(propertyName))
{
throw new ArgumentException("Property name is null or empty.", nameof(propertyName));
}
var pi = ignoreCase ?
source.GetProperty(propertyName, flags | BindingFlags.IgnoreCase) :
source.GetProperty(propertyName, flags);
if (pi == null)
{
ExceptionThrower.ThrowPropertyDoesNotExist(source, propertyName);
}
return(pi);
}