public void Dispose()
{
switch (ChangeType)
{
case MODIFICATION_TYPE.ADDED:
if (_State == MODIFICATION_STATE.FOR_REDO)
{
Control.Dispose();
}
break;
case MODIFICATION_TYPE.PROPERTY_CHANGED:
var d = OldValue as IDisposable;
if (d != null)
{
d.Dispose();
}
break;
case MODIFICATION_TYPE.REMOVED:
if (_State == MODIFICATION_STATE.FOR_UNDO)
{
Control.Dispose();
}
break;
case MODIFICATION_TYPE.RESIZED:
case MODIFICATION_TYPE.MOVED:
break;
default:
throw new InvalidOperationException();
}
}