public static int Remove_FromNullToDelegate(int value)
{
var dlg1 = new IntRefDelegate(IntRefImpl1);
// null - dlg1 = null
var dlg = (IntRefDelegate)Delegate.Remove(null, dlg1);
var v = value;
dlg?.Invoke(ref v);
return(v);
}
public static int Remove_FromNullToMulticastDelegate(int value)
{
var dlg1 = new IntRefDelegate(IntRefImpl1);
var dlg2 = new IntRefDelegate(IntRefImpl2);
var dlgA = dlg1 + dlg2;
// null - (dlg1 + dlg2) = null
var dlg = (IntRefDelegate)Delegate.Remove(null, dlgA);
var v = value;
dlg?.Invoke(ref v);
return(v);
}
public static int Remove_DelegateMiddle(int value)
{
var dlg1 = new IntRefDelegate(IntRefImpl1);
var dlg2 = new IntRefDelegate(IntRefImpl2);
var dlg3 = new IntRefDelegate(IntRefImpl3);
var dlgA = dlg1 + dlg2;
dlgA += dlg3;
// (dlg1 + dlg2 + dlg3) - dlg2 = (dlg1 + dlg3)
var dlg = (IntRefDelegate)Delegate.Remove(dlgA, dlg2);
var v = value;
dlg?.Invoke(ref v);
return(v);
}
public static int Remove_DelegateInstance(int value)
{
var dlg1 = new IntRefDelegate(IntRefImpl1);
var dlg2 = new IntRefDelegate(IntRefImpl2);
var dlgA = dlg1 + dlg2;
dlgA += dlg1;
// Remove only a tail delegate.
// (dlg1 + dlg2 + dlg1) - dlg1 = (dlg1 + dlg2)
var dlg = (IntRefDelegate)Delegate.Remove(dlgA, dlg1);
var v = value;
dlg?.Invoke(ref v);
return(v);
}
public static int Remove_NotContainsMulticastDelegate(int value)
{
var dlg1 = new IntRefDelegate(IntRefImpl1);
var dlg2 = new IntRefDelegate(IntRefImpl2);
var dlg3 = new IntRefDelegate(IntRefImpl3);
var dlgA = dlg1 + dlg2;
dlgA += dlg3;
var dlgB = dlg2 + dlg1;
// (dlg1 + dlg2 + dlg3) - (dlg2 + dlg1) = (dlg1 + dlg2 + dlg3)
var dlg = (IntRefDelegate)Delegate.Remove(dlgA, dlgB);
var v = value;
dlg?.Invoke(ref v);
return(v);
}
public static int Remove_EntireMatchedMulticastDelegate(int value)
{
var dlg1 = new IntRefDelegate(IntRefImpl1);
var dlg2 = new IntRefDelegate(IntRefImpl2);
var dlg3 = new IntRefDelegate(IntRefImpl3);
var dlgA = dlg1 + dlg2;
dlgA += dlg3;
var dlgB = dlg1 + dlg2;
dlgB += dlg3;
// (dlg1 + dlg2 + dlg3) - (dlg1 + dlg2 + dlg3) = null
var dlg = (IntRefDelegate)Delegate.Remove(dlgA, dlgB);
var v = value;
dlg?.Invoke(ref v);
return(v);
}
