EventBuilder.cs

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using System.Runtime.CompilerServices;
 
namespace System.Reflection.Emit;
 
public sealed class EventBuilder
{
    private string m_name;
 
    private int m_evToken;
 
    private ModuleBuilder m_module;
 
    private EventAttributes m_attributes;
 
    private TypeBuilder m_type;
 
    internal EventBuilder(ModuleBuilder mod, string name, EventAttributes attr, TypeBuilder type, int evToken)
    {
        m_name = name;
        m_module = mod;
        m_attributes = attr;
        m_evToken = evToken;
        m_type = type;
    }
 
    private void SetMethodSemantics(MethodBuilder mdBuilder, MethodSemanticsAttributes semantics)
    {
        if (mdBuilder == null)
        {
            throw new ArgumentNullException("mdBuilder");
        }
        m_type.ThrowIfCreated();
        ModuleBuilder module = m_module;
        TypeBuilder.DefineMethodSemantics(new QCallModule(ref module), m_evToken, semantics, mdBuilder.MetadataToken);
    }
 
    public void SetAddOnMethod(MethodBuilder mdBuilder)
    {
        SetMethodSemantics(mdBuilder, MethodSemanticsAttributes.AddOn);
    }
 
    public void SetRemoveOnMethod(MethodBuilder mdBuilder)
    {
        SetMethodSemantics(mdBuilder, MethodSemanticsAttributes.RemoveOn);
    }
 
    public void SetRaiseMethod(MethodBuilder mdBuilder)
    {
        SetMethodSemantics(mdBuilder, MethodSemanticsAttributes.Fire);
    }
 
    public void AddOtherMethod(MethodBuilder mdBuilder)
    {
        SetMethodSemantics(mdBuilder, MethodSemanticsAttributes.Other);
    }
 
    public void SetCustomAttribute(ConstructorInfo con, byte[] binaryAttribute)
    {
        if (con == null)
        {
            throw new ArgumentNullException("con");
        }
        if (binaryAttribute == null)
        {
            throw new ArgumentNullException("binaryAttribute");
        }
        m_type.ThrowIfCreated();
        TypeBuilder.DefineCustomAttribute(m_module, m_evToken, m_module.GetConstructorToken(con), binaryAttribute);
    }
 
    public void SetCustomAttribute(CustomAttributeBuilder customBuilder)
    {
        if (customBuilder == null)
        {
            throw new ArgumentNullException("customBuilder");
        }
        m_type.ThrowIfCreated();
        customBuilder.CreateCustomAttribute(m_module, m_evToken);
    }
}