public static bool Equate(this System.Delegate a, System.Delegate b)
{
// remove delegate assignment overhead
a = a.Truncate();
b = b.Truncate();
// (1) method and target match
if (a == b)
{
return(true);
}
// null
if (a == null || b == null)
{
return(false);
}
// (2) if the target and member match
if (a.Target == b.Target && a.Method == b.Method)
{
return(true);
}
// (3) compiled method bodies match
if (a.Target != b.Target)
{
return(false);
}
byte[] a_body = a.Method.GetMethodBody().GetILAsByteArray();
byte[] b_body = b.Method.GetMethodBody().GetILAsByteArray();
if (a_body.Length != b_body.Length)
{
return(false);
}
for (int i = 0; i < a_body.Length; i++)
{
if (a_body[i] != b_body[i])
{
return(false);
}
}
return(true);
}