CanBeNullAttribute Class

    Namespace: Stride.Core.Annotations
    Assembly: Stride.Core.dll

    Indicates that the value of the marked element could be null sometimes, so the check for null is necessary before its usage.

    System.Object → System.Attribute → CanBeNullAttribute
    Derived from CanBeNullAttribute: 

    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method | AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Event | AttributeTargets.Interface | AttributeTargets.Parameter | AttributeTargets.Delegate | AttributeTargets.GenericParameter)]
public sealed class CanBeNullAttribute : Attribute
    Examples
    [CanBeNull] object Test() => null;

void UseTest() {
  var p = Test();
  var s = p.ToString(); // Warning: Possible 'System.NullReferenceException'
}

    Inherited Members

    System.Attribute.Equals(System.Object)
    System.Attribute.GetCustomAttribute(System.Reflection.Assembly, System.Type)
    System.Attribute.GetCustomAttribute(System.Reflection.Assembly, System.Type, System.Boolean)
    System.Attribute.GetCustomAttribute(System.Reflection.MemberInfo, System.Type)
    System.Attribute.GetCustomAttribute(System.Reflection.MemberInfo, System.Type, System.Boolean)
    System.Attribute.GetCustomAttribute(System.Reflection.Module, System.Type)
    System.Attribute.GetCustomAttribute(System.Reflection.Module, System.Type, System.Boolean)
    System.Attribute.GetCustomAttribute(System.Reflection.ParameterInfo, System.Type)
    System.Attribute.GetCustomAttribute(System.Reflection.ParameterInfo, System.Type, System.Boolean)
    System.Attribute.GetCustomAttributes(System.Reflection.Assembly)
    System.Attribute.GetCustomAttributes(System.Reflection.Assembly, System.Boolean)
    System.Attribute.GetCustomAttributes(System.Reflection.Assembly, System.Type)
    System.Attribute.GetCustomAttributes(System.Reflection.Assembly, System.Type, System.Boolean)
    System.Attribute.GetCustomAttributes(System.Reflection.MemberInfo)
    System.Attribute.GetCustomAttributes(System.Reflection.MemberInfo, System.Boolean)
    System.Attribute.GetCustomAttributes(System.Reflection.MemberInfo, System.Type)
    System.Attribute.GetCustomAttributes(System.Reflection.MemberInfo, System.Type, System.Boolean)
    System.Attribute.GetCustomAttributes(System.Reflection.Module)
    System.Attribute.GetCustomAttributes(System.Reflection.Module, System.Boolean)
    System.Attribute.GetCustomAttributes(System.Reflection.Module, System.Type)
    System.Attribute.GetCustomAttributes(System.Reflection.Module, System.Type, System.Boolean)
    System.Attribute.GetCustomAttributes(System.Reflection.ParameterInfo)
    System.Attribute.GetCustomAttributes(System.Reflection.ParameterInfo, System.Boolean)
    System.Attribute.GetCustomAttributes(System.Reflection.ParameterInfo, System.Type)
    System.Attribute.GetCustomAttributes(System.Reflection.ParameterInfo, System.Type, System.Boolean)
    System.Attribute.GetHashCode()
    System.Attribute.IsDefaultAttribute()
    System.Attribute.IsDefined(System.Reflection.Assembly, System.Type)
    System.Attribute.IsDefined(System.Reflection.Assembly, System.Type, System.Boolean)
    System.Attribute.IsDefined(System.Reflection.MemberInfo, System.Type)
    System.Attribute.IsDefined(System.Reflection.MemberInfo, System.Type, System.Boolean)
    System.Attribute.IsDefined(System.Reflection.Module, System.Type)
    System.Attribute.IsDefined(System.Reflection.Module, System.Type, System.Boolean)
    System.Attribute.IsDefined(System.Reflection.ParameterInfo, System.Type)
    System.Attribute.IsDefined(System.Reflection.ParameterInfo, System.Type, System.Boolean)
    System.Attribute.Match(System.Object)
    System.Attribute.TypeId

    Extension Methods