The GetCustomAttribute<T> method in the MemberDescription class is used to retrieve a custom attribute of a specified type T from the member. This method is useful when you need to access metadata attributes that are applied to a member, such as properties, methods, or fields, within the Sandbox environment.
To use the GetCustomAttribute<T> method, you need to specify the type of attribute you are looking for as the generic type parameter T. The method will return the attribute of the specified type if it exists on the member, or the default value of T if the attribute is not found.
Ensure that the type T is a subclass of System.Attribute.
// Example of using GetCustomAttribute<T> method
// Assume we have a custom attribute defined as follows:
[AttributeUsage(AttributeTargets.All)]
public class MyCustomAttribute : Attribute
{
public string Description { get; set; }
public MyCustomAttribute(string description)
{
Description = description;
}
}
// Usage within a class
public class ExampleClass
{
[MyCustomAttribute("This is a custom attribute.")]
public void MyMethod() { }
}
// Retrieving the custom attribute
var memberDescription = new MemberDescription(); // Assume this is properly initialized
var customAttribute = memberDescription.GetCustomAttribute<MyCustomAttribute>();
if (customAttribute != null)
{
Console.WriteLine(customAttribute.Description); // Outputs: This is a custom attribute.
}