Use AttributeUsage : Attribute : Language Basics C# Source Code

Use AttributeUsage

    
 

using System;

[AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct,Inherited = false)]
public class ClassVersionAttribute : System.Attribute {
    public ClassVersionAttribute(string target) : this(target, target) {
    }

    public ClassVersionAttribute(string target,string current) {
        m_TargetVersion = target;
        m_CurrentVersion = current;
    }

    private bool m_UseCurrentVersion = false;
    public bool UseCurrentVersion {
        set {
            if (m_TargetVersion != m_CurrentVersion) {
                m_UseCurrentVersion = value;
            }
        }
        get {
            return m_UseCurrentVersion;
        }
    }

    private string m_CurrentName;
    public string CurrentName {
        set {
            m_CurrentName = value;
        }
        get {
            return m_CurrentName;
        }
    }

    private string m_TargetVersion;
    public string TargetVersion {
        get {
            return m_TargetVersion;
        }
    }

    private string m_CurrentVersion;
    public string CurrentVersion {
        get {
            return m_CurrentVersion;
        }
    }
}

 
    
   
  
   

Related in same category :
• Subclass System.Attribute
• A simple attribute example
• Use a named attribute parameter
• Creating and using a class attribute.
• Attribute in class inheritance
• Defining New Attribute Classes
• Use a property as a named attribute parameter
• Demonstrate the Conditional attribute
• Define contant and use it in Conditional attribute
• Demonstrate the Obsolete attribute
• Illustrates use of the Obsolete attribute
• Compiles into a library defining the RamdomSupplier attribute and the RandomMethod attribute