public static Delegate Combine(Delegate a, Delegate b)
{
if ((Object)a == null)
return b;
return a.CombineImpl(b);
}
/// <summary>Concatenates the invocation lists of two delegates.</summary><returns>A new delegate with an invocation list that concatenates the invocation lists of <paramref name="a" /> and <paramref name="b" /> in that order. Returns <paramref name="a" /> if <paramref name="b" /> is null, returns <paramref name="b" /> if <paramref name="a" /> is a null reference, and returns a null reference if both <paramref name="a" /> and <paramref name="b" /> are null references.</returns><param name="a">The delegate whose invocation list comes first. </param><param name="b">The delegate whose invocation list comes last. </param><exception cref="T:System.ArgumentException">Both <paramref name="a" /> and <paramref name="b" /> are not null, and <paramref name="a" /> and <paramref name="b" /> are not instances of the same delegate type. </exception><filterpriority>1</filterpriority>
public static Delegate Combine(Delegate a, Delegate b)
{
if (a == null)
{
if (b == null)
{
return(null);
}
else
{
return(b);
}
}
else if (b == null)
{
return(a);
}
if (a.getClass().getName() != b.getClass().getName())
{
throw new ArgumentException(Local.GetText("Incompatible Delegate Types. First is {0} second is {1}.", a.getClass().getName(), b.getClass().getName()));
}
return(a.CombineImpl(b));
}
// Combine creates a new delegate based upon the contents of the
// delegates passed in.
/// <include file='doc\Delegate.uex' path='docs/doc[@for="Delegate.Combine"]/*' />
public static Delegate Combine(Delegate a, Delegate b)
{
//@TODO: Should this really check to see that they are both multicast
// because it really is an error to try and combine non-multicasts?
// Spec says that it returns null and only does the check if a and b
// are both null.
// boundry conditions -- if either (or both) delegates is null
// return the other.
if (a == null)
{
return(b);
}
if (b == null)
{
return(a);
}
// Verify that the types are the same...
if (a.GetType() != b.GetType())
{
throw new ArgumentException(Environment.GetResourceString("Arg_DlgtTypeMis"));
}
return(a.CombineImpl(b));
}
public static Delegate Combine(Delegate a, Delegate b)
{
if (a == null)
{
return(b);
}
return(a.CombineImpl(b));
}
public static Delegate Combine(Delegate a, Delegate b)
{
if ((Object)a == null) // cast to object for a more efficient test
{
return(b);
}
return(a.CombineImpl(b));
}
public static Delegate Combine(Delegate a, Delegate b)
{
if (a == null) {
return b;
} else if (b == null) {
return a;
}
if (a.GetType() != b.GetType()) {
throw new ArgumentException("Incompatible delegate types");
}
return a.CombineImpl(b);
}
public static Delegate Combine(Delegate a, Delegate b)
{
if (a == null)
{
return(b);
}
else if (b == null)
{
return(a);
}
if (a.GetType() != b.GetType())
{
throw new ArgumentException("Incompatible delegate types");
}
return(a.CombineImpl(b));
}
// Combine the invocation lists of two delegates.
public static Delegate Combine(Delegate a, Delegate b)
{
if (((Object)a) == null)
{
return(b);
}
else if (((Object)b) == null)
{
return(a);
}
else if (a.GetType() != b.GetType())
{
throw new ArgumentException(_("Arg_DelegateMismatch"));
}
else
{
return(a.CombineImpl(b));
}
}
/// <symmary>
/// Returns a new MulticastDelegate holding the
/// concatenated invocation lists of MulticastDelegates a and b
/// </symmary>
public static Delegate Combine(Delegate a, Delegate b)
{
if (a == null)
{
return(b);
}
if (b == null)
{
return(a);
}
if (a.GetType() != b.GetType())
{
throw new ArgumentException(Locale.GetText("Incompatible Delegate Types. First is {0} second is {1}.", a.GetType().FullName, b.GetType().FullName));
}
return(a.CombineImpl(b));
}
// Combine creates a new delegate based upon the contents of the
// delegates passed in.
/// <include file='doc\Delegate.uex' path='docs/doc[@for="Delegate.Combine"]/*' />
public static Delegate Combine(Delegate a, Delegate b)
{
// boundry conditions -- if either (or both) delegates is null
// return the other.
if (a == null)
{
return(b);
}
if (b == null)
{
return(a);
}
// Verify that the types are the same...
if (a.GetType() != b.GetType())
{
throw new ArgumentException(Environment.GetResourceString("Arg_DlgtTypeMis"));
}
return(a.CombineImpl(b));
}
public static Delegate Combine(Delegate a, Delegate b)
{
// boundry conditions -- if either (or both) delegates is null
// return the other.
if ((Object)a == null) // cast to object for a more efficient test
{
return(b);
}
if ((Object)b == null) // cast to object for a more efficient test
{
return(a);
}
if (!InternalEqualTypes(a, b))
{
throw new ArgumentException(Environment.GetResourceString("Arg_DlgtTypeMis"));
}
return(a.CombineImpl(b));
}
/// <symmary>
/// Returns a new MulticastDelegate holding the
/// concatenated invocation lists of MulticastDelegates a and b
/// </symmary>
public static Delegate Combine(Delegate a, Delegate b)
{
if (a == null)
{
if (b == null)
{
return(null);
}
return(b);
}
else
if (b == null)
{
return(a);
}
if (a.GetType() != b.GetType())
{
throw new ArgumentException(Locale.GetText("Incompatible Delegate Types."));
}
//
// Beginn Pre-JIT/-Patch Code
//
Delegate retval = a.CombineImpl(b);
// Console.WriteLine("Delegate.Combine:\ta: {0:X}\tb: {1:X}\tretval: {2:X}", (a.obj_address()).ToInt32(), (b.obj_address()).ToInt32(), (retval.obj_address()).ToInt32());
if ((a != retval) && (retval != null))
{
retval.combinedDelegate();
}
return(retval);
//
// Ende Pre-JIT/-Patch Code
//
// return a.CombineImpl (b);
}
public unsafe static Delegate Combine(Delegate a, Delegate b)
{
if (a == null)
return b;
if (b == null)
return a;
return a.CombineImpl(b);
}
public static Delegate Combine(Delegate a, Delegate b)
{
if (a == null)
{
return b;
}
return a.CombineImpl(b);
}
/// <symmary>
/// Returns a new MulticastDelegate holding the
/// concatenated invocation lists of MulticastDelegates a and b
/// </symmary>
public static Delegate Combine (Delegate a, Delegate b)
{
if (a == null) {
if (b == null)
return null;
return b;
} else
if (b == null)
return a;
if (a.GetType () != b.GetType ())
throw new ArgumentException (Locale.GetText ("Incompatible Delegate Types."));
return a.CombineImpl (b);
}
/// <symmary>
/// Returns a new MulticastDelegate holding the
/// concatenated invocation lists of MulticastDelegates a and b
/// </symmary>
public static Delegate Combine (Delegate a, Delegate b)
{
if (a == null) {
if (b == null)
return null;
return b;
} else
if (b == null)
return a;
if (a.GetType () != b.GetType ())
throw new ArgumentException (Locale.GetText ("Incompatible Delegate Types. First is {0} second is {1}.", a.GetType ().FullName, b.GetType ().FullName));
return a.CombineImpl (b);
}
// Combine creates a new delegate based upon the contents of the
// delegates passed in.
/// <include file='doc\Delegate.uex' path='docs/doc[@for="Delegate.Combine"]/*' />
public static Delegate Combine(Delegate a, Delegate b)
{
// boundry conditions -- if either (or both) delegates is null
// return the other.
if (a == null)
return b;
if (b == null)
return a;
// Verify that the types are the same...
if (a.GetType() != b.GetType())
throw new ArgumentException(Environment.GetResourceString("Arg_DlgtTypeMis"));
return a.CombineImpl(b);
}
public static Delegate Combine(Delegate a, Delegate b)
{
if ((Object)a == null) // cast to object for a more efficient test
return b;
return a.CombineImpl(b);
}
public static Delegate Combine(Delegate a, Delegate b)
{
// boundry conditions -- if either (or both) delegates is null
// return the other.
if ((Object)a == null) // cast to object for a more efficient test
return b;
if ((Object)b == null) // cast to object for a more efficient test
return a;
if (!InternalEqualTypes(a, b))
throw new ArgumentException(Environment.GetResourceString("Arg_DlgtTypeMis"));
return a.CombineImpl(b);
}
